52117925 has 12 divisors (see below), whose sum is σ = 64716096. Its totient is φ = 41636400.

The previous prime is 52117909. The next prime is 52117927. The reversal of 52117925 is 52971125.

It is a happy number.

It is not a de Polignac number, because 52117925 - 2⁴ = 52117909 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52117891 and 52117900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52117927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32390 + ... + 33960.

It is an arithmetic number, because the mean of its divisors is an integer number (5393008).

Almost surely, 2^52117925 is an apocalyptic number.

It is an amenable number.

52117925 is a deficient number, since it is larger than the sum of its proper divisors (12598171).

52117925 is a wasteful number, since it uses less digits than its factorization.

52117925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908 (or 2903 counting only the distinct ones).

The product of its digits is 6300, while the sum is 32.

The square root of 52117925 is about 7219.2745480415. The cubic root of 52117925 is about 373.5330541878.

The spelling of 52117925 in words is "fifty-two million, one hundred seventeen thousand, nine hundred twenty-five".