47252837 has 4 divisors (see below), whose sum is σ = 47280876. Its totient is φ = 47224800.

The previous prime is 47252801. The next prime is 47252851. The reversal of 47252837 is 73825274.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73825274 = 2 ⋅36912637.

It can be written as a sum of positive squares in 2 ways, for example, as 6280036 + 40972801 = 2506^2 + 6401^2 .

It is a cyclic number.

It is not a de Polignac number, because 47252837 - 2¹⁸ = 46990693 is a prime.

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 47252837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47252137) 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, 11318 + ... + 14919.

It is an arithmetic number, because the mean of its divisors is an integer number (11820219).

Almost surely, 2^47252837 is an apocalyptic number.

It is an amenable number.

47252837 is a deficient number, since it is larger than the sum of its proper divisors (28039).

47252837 is a wasteful number, since it uses less digits than its factorization.

47252837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28038.

The product of its digits is 94080, while the sum is 38.

The square root of 47252837 is about 6874.0699007211. The cubic root of 47252837 is about 361.5285750091.

The spelling of 47252837 in words is "forty-seven million, two hundred fifty-two thousand, eight hundred thirty-seven".