25235057 has 4 divisors (see below), whose sum is σ = 25256820. Its totient is φ = 25213296.

The previous prime is 25235053. The next prime is 25235101. The reversal of 25235057 is 75053252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22193521 + 3041536 = 4711^2 + 1744^2 .

It is a cyclic number.

It is not a de Polignac number, because 25235057 - 2² = 25235053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25235051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9038 + ... + 11495.

It is an arithmetic number, because the mean of its divisors is an integer number (6314205).

Almost surely, 2^25235057 is an apocalyptic number.

It is an amenable number.

25235057 is a deficient number, since it is larger than the sum of its proper divisors (21763).

25235057 is a wasteful number, since it uses less digits than its factorization.

25235057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21762.

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 25235057 is about 5023.4507064368. The cubic root of 25235057 is about 293.3153310520.

The spelling of 25235057 in words is "twenty-five million, two hundred thirty-five thousand, fifty-seven".