47515925 has 24 divisors (see below), whose sum is σ = 60954432. Its totient is φ = 36720000.

The previous prime is 47515921. The next prime is 47515957. The reversal of 47515925 is 52951574.

It is a happy number.

It is not a de Polignac number, because 47515925 - 2² = 47515921 is a prime.

It is a Duffinian number.

Its product of digits (63000) is a multiple of the sum of its prime divisors (504).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47515921) 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 23 ways as a sum of consecutive naturals, for example, 154622 + ... + 154928.

It is an arithmetic number, because the mean of its divisors is an integer number (2539768).

Almost surely, 2^47515925 is an apocalyptic number.

It is an amenable number.

47515925 is a deficient number, since it is larger than the sum of its proper divisors (13438507).

47515925 is a wasteful number, since it uses less digits than its factorization.

47515925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509 (or 504 counting only the distinct ones).

The product of its digits is 63000, while the sum is 38.

The square root of 47515925 is about 6893.1796001555. The cubic root of 47515925 is about 362.1982903750.

The spelling of 47515925 in words is "forty-seven million, five hundred fifteen thousand, nine hundred twenty-five".