47502481 has 4 divisors (see below), whose sum is σ = 51156532. Its totient is φ = 43848432.

The previous prime is 47502473. The next prime is 47502523. The reversal of 47502481 is 18420574.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31820881 + 15681600 = 5641^2 + 3960^2 .

It is a cyclic number.

It is not a de Polignac number, because 47502481 - 2³ = 47502473 is a prime.

It is a super-2 number, since 2×47502481² = 4512971402310722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47502431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1827006 + ... + 1827031.

It is an arithmetic number, because the mean of its divisors is an integer number (12789133).

Almost surely, 2^47502481 is an apocalyptic number.

It is an amenable number.

47502481 is a deficient number, since it is larger than the sum of its proper divisors (3654051).

47502481 is a wasteful number, since it uses less digits than its factorization.

47502481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3654050.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 47502481 is about 6892.2043643525. The cubic root of 47502481 is about 362.1641274206.

The spelling of 47502481 in words is "forty-seven million, five hundred two thousand, four hundred eighty-one".