25272057 has 4 divisors (see below), whose sum is σ = 33696080. Its totient is φ = 16848036.

The previous prime is 25272053. The next prime is 25272061. The reversal of 25272057 is 75027252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (25272053) and next prime (25272061).

It is not a de Polignac number, because 25272057 - 2² = 25272053 is a prime.

It is a super-2 number, since 2×25272057² = 1277353730022498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25272053) 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, 4212007 + ... + 4212012.

It is an arithmetic number, because the mean of its divisors is an integer number (8424020).

Almost surely, 2^25272057 is an apocalyptic number.

It is an amenable number.

25272057 is a deficient number, since it is larger than the sum of its proper divisors (8424023).

25272057 is an equidigital number, since it uses as much as digits as its factorization.

25272057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8424022.

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 25272057 is about 5027.1320849964. The cubic root of 25272057 is about 293.4586154183.

The spelling of 25272057 in words is "twenty-five million, two hundred seventy-two thousand, fifty-seven".