25116057 has 6 divisors (see below), whose sum is σ = 36278762. Its totient is φ = 16744032.

The previous prime is 25116053. The next prime is 25116083. The reversal of 25116057 is 75061152.

25116057 is a `hidden beast` number, since 2 + 51 + 1 + 605 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19527561 + 5588496 = 4419^2 + 2364^2 .

It is not a de Polignac number, because 25116057 - 2² = 25116053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25116057.

It is not an unprimeable number, because it can be changed into a prime (25116053) 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 5 ways as a sum of consecutive naturals, for example, 1395328 + ... + 1395345.

Almost surely, 2^25116057 is an apocalyptic number.

It is an amenable number.

25116057 is a deficient number, since it is larger than the sum of its proper divisors (11162705).

25116057 is a wasteful number, since it uses less digits than its factorization.

25116057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790679 (or 2790676 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 25116057 is about 5011.5922619463. The cubic root of 25116057 is about 292.8535457591.

The spelling of 25116057 in words is "twenty-five million, one hundred sixteen thousand, fifty-seven".