47925631 has 4 divisors (see below), whose sum is σ = 51612232. Its totient is φ = 44239032.

The previous prime is 47925623. The next prime is 47925649. The reversal of 47925631 is 13652974.

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

It is a cyclic number.

It is not a de Polignac number, because 47925631 - 2³ = 47925623 is a prime.

It is a super-2 number, since 2×47925631² = 4593732213496322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47925331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1843281 + ... + 1843306.

It is an arithmetic number, because the mean of its divisors is an integer number (12903058).

Almost surely, 2^47925631 is an apocalyptic number.

47925631 is a deficient number, since it is larger than the sum of its proper divisors (3686601).

47925631 is a wasteful number, since it uses less digits than its factorization.

47925631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3686600.

The product of its digits is 45360, while the sum is 37.

The square root of 47925631 is about 6922.8340294998. The cubic root of 47925631 is about 363.2363306589.

The spelling of 47925631 in words is "forty-seven million, nine hundred twenty-five thousand, six hundred thirty-one".