25053157 has 4 divisors (see below), whose sum is σ = 25067596. Its totient is φ = 25038720.

The previous prime is 25053143. The next prime is 25053167. The reversal of 25053157 is 75135052.

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 22982436 + 2070721 = 4794^2 + 1439^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25053157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25053167) 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, 4194 + ... + 8227.

It is an arithmetic number, because the mean of its divisors is an integer number (6266899).

Almost surely, 2^25053157 is an apocalyptic number.

It is an amenable number.

25053157 is a deficient number, since it is larger than the sum of its proper divisors (14439).

25053157 is a wasteful number, since it uses less digits than its factorization.

25053157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14438.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 25053157 is about 5005.3128773334. The cubic root of 25053157 is about 292.6088697904.

The spelling of 25053157 in words is "twenty-five million, fifty-three thousand, one hundred fifty-seven".