25057953 has 6 divisors (see below), whose sum is σ = 36194834. Its totient is φ = 16705296.

The previous prime is 25057939. The next prime is 25057961. The reversal of 25057953 is 35975052.

It can be written as a sum of positive squares in only one way, i.e., 15116544 + 9941409 = 3888^2 + 3153^2 .

It is not a de Polignac number, because 25057953 - 2⁴ = 25057937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25057553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1392100 + ... + 1392117.

Almost surely, 2^25057953 is an apocalyptic number.

It is an amenable number.

25057953 is a deficient number, since it is larger than the sum of its proper divisors (11136881).

25057953 is a wasteful number, since it uses less digits than its factorization.

25057953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784223 (or 2784220 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 36.

The square root of 25057953 is about 5005.7919453369. The cubic root of 25057953 is about 292.6275402598.

The spelling of 25057953 in words is "twenty-five million, fifty-seven thousand, nine hundred fifty-three".