25245122 has 16 divisors (see below), whose sum is σ = 45159552. Its totient is φ = 10348800.

The previous prime is 25245089. The next prime is 25245133. The reversal of 25245122 is 22154252.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38879 + ... + 39522.

It is an arithmetic number, because the mean of its divisors is an integer number (2822472).

Almost surely, 2^25245122 is an apocalyptic number.

25245122 is a deficient number, since it is larger than the sum of its proper divisors (19914430).

25245122 is a wasteful number, since it uses less digits than its factorization.

25245122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78433.

The product of its digits is 1600, while the sum is 23.

The square root of 25245122 is about 5024.4524079744. The cubic root of 25245122 is about 293.3543221322.

Adding to 25245122 its reverse (22154252), we get a palindrome (47399374).

The spelling of 25245122 in words is "twenty-five million, two hundred forty-five thousand, one hundred twenty-two".