25526316 has 48 divisors (see below), whose sum is σ = 63546336. Its totient is φ = 7947264.

The previous prime is 25526309. The next prime is 25526339. The reversal of 25526316 is 61362552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31630 + ... + 32426.

It is an arithmetic number, because the mean of its divisors is an integer number (1323882).

Almost surely, 2^25526316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25526316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31773168).

25526316 is an abundant number, since it is smaller than the sum of its proper divisors (38020020).

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

25526316 is a wasteful number, since it uses less digits than its factorization.

25526316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978 (or 976 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 25526316 is about 5052.3574695384. The cubic root of 25526316 is about 294.4394833968.

Adding to 25526316 its reverse (61362552), we get a palindrome (86888868).

The spelling of 25526316 in words is "twenty-five million, five hundred twenty-six thousand, three hundred sixteen".