25629268 has 48 divisors (see below), whose sum is σ = 56657664. Its totient is φ = 9884160.

The previous prime is 25629257. The next prime is 25629269. The reversal of 25629268 is 86292652.

It is a self number, because there is not a number n which added to its sum of digits gives 25629268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25629269) 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, 9778 + ... + 12118.

It is an arithmetic number, because the mean of its divisors is an integer number (1180368).

Almost surely, 2^25629268 is an apocalyptic number.

25629268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25629268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28328832).

25629268 is an abundant number, since it is smaller than the sum of its proper divisors (31028396).

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

25629268 is a wasteful number, since it uses less digits than its factorization.

25629268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2392 (or 2390 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 25629268 is about 5062.5357282690. The cubic root of 25629268 is about 294.8347940254.

The spelling of 25629268 in words is "twenty-five million, six hundred twenty-nine thousand, two hundred sixty-eight".