25245388 has 36 divisors (see below), whose sum is σ = 51793392. Its totient is φ = 10735200.

The previous prime is 25245383. The next prime is 25245427. The reversal of 25245388 is 88354252.

It is not an unprimeable number, because it can be changed into a prime (25245383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29170 + ... + 30022.

Almost surely, 2^25245388 is an apocalyptic number.

25245388 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 25245388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25896696).

25245388 is an abundant number, since it is smaller than the sum of its proper divisors (26548004).

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

25245388 is a wasteful number, since it uses less digits than its factorization.

25245388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022 (or 1013 counting only the distinct ones).

The product of its digits is 76800, while the sum is 37.

The square root of 25245388 is about 5024.4788784510. The cubic root of 25245388 is about 293.3553524564.

The spelling of 25245388 in words is "twenty-five million, two hundred forty-five thousand, three hundred eighty-eight".