52161925 has 12 divisors (see below), whose sum is σ = 65594016. Its totient is φ = 41140400.

The previous prime is 52161887. The next prime is 52161961. The reversal of 52161925 is 52916125.

It is not a de Polignac number, because 52161925 - 2⁹ = 52161413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12919 + ... + 16468.

It is an arithmetic number, because the mean of its divisors is an integer number (5466168).

Almost surely, 2^52161925 is an apocalyptic number.

It is an amenable number.

52161925 is a deficient number, since it is larger than the sum of its proper divisors (13432091).

52161925 is a wasteful number, since it uses less digits than its factorization.

52161925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29468 (or 29463 counting only the distinct ones).

The product of its digits is 5400, while the sum is 31.

The square root of 52161925 is about 7222.3213027392. The cubic root of 52161925 is about 373.6381417139.

The spelling of 52161925 in words is "fifty-two million, one hundred sixty-one thousand, nine hundred twenty-five".