47309925 has 24 divisors (see below), whose sum is σ = 84237664. Its totient is φ = 23290560.

The previous prime is 47309893. The next prime is 47309947. The reversal of 47309925 is 52990374.

47309925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47309925 - 2⁵ = 47309893 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23287 + ... + 25236.

Almost surely, 2^47309925 is an apocalyptic number.

It is an amenable number.

47309925 is a deficient number, since it is larger than the sum of its proper divisors (36927739).

47309925 is a wasteful number, since it uses less digits than its factorization.

47309925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48549 (or 48544 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 47309925 is about 6878.2210636181. The cubic root of 47309925 is about 361.6741086857.

The spelling of 47309925 in words is "forty-seven million, three hundred nine thousand, nine hundred twenty-five".