47452501 has 4 divisors (see below), whose sum is σ = 47538252. Its totient is φ = 47366752.

The previous prime is 47452499. The next prime is 47452507. The reversal of 47452501 is 10525474.

47452501 = T₅₆₂₃ + T₅₆₂₄ + T₅₆₂₅.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10525474 = 2 ⋅5262737.

It can be written as a sum of positive squares in 2 ways, for example, as 15800625 + 31651876 = 3975^2 + 5626^2 .

It is a cyclic number.

It is not a de Polignac number, because 47452501 - 2¹ = 47452499 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47452501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47452507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42040 + ... + 43153.

It is an arithmetic number, because the mean of its divisors is an integer number (11884563).

Almost surely, 2^47452501 is an apocalyptic number.

47452501 is the 5625-th centered triangular number.

It is an amenable number.

47452501 is a deficient number, since it is larger than the sum of its proper divisors (85751).

47452501 is an equidigital number, since it uses as much as digits as its factorization.

47452501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85750.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 47452501 is about 6888.5775745069. The cubic root of 47452501 is about 362.0370651791.

Adding to 47452501 its reverse (10525474), we get a palindrome (57977975).

It can be divided in two parts, 474 and 52501, that added together give a triangular number (52975 = T₃₂₅).

The spelling of 47452501 in words is "forty-seven million, four hundred fifty-two thousand, five hundred one".