25512522 has 32 divisors (see below), whose sum is σ = 58785792. Its totient is φ = 7230384.

The previous prime is 25512521. The next prime is 25512523. The reversal of 25512522 is 22521552.

It is an interprime number because it is at equal distance from previous prime (25512521) and next prime (25512523).

It is a junction number, because it is equal to n+sod(n) for n = 25512492 and 25512501.

It is not an unprimeable number, because it can be changed into a prime (25512521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2943 + ... + 7725.

It is an arithmetic number, because the mean of its divisors is an integer number (1837056).

Almost surely, 2^25512522 is an apocalyptic number.

25512522 is an abundant number, since it is smaller than the sum of its proper divisors (33273270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25512522 is a wasteful number, since it uses less digits than its factorization.

25512522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4922.

The product of its digits is 2000, while the sum is 24.

The square root of 25512522 is about 5050.9921797603. The cubic root of 25512522 is about 294.3864370942.

The spelling of 25512522 in words is "twenty-five million, five hundred twelve thousand, five hundred twenty-two".