25172576 has 48 divisors (see below), whose sum is σ = 58233168. Its totient is φ = 10560000.

The previous prime is 25172573. The next prime is 25172599. The reversal of 25172576 is 67527152.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25172573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1826 + ... + 7326.

It is an arithmetic number, because the mean of its divisors is an integer number (1213191).

Almost surely, 2^25172576 is an apocalyptic number.

25172576 is a gapful number since it is divisible by the number (26) 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 25172576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29116584).

25172576 is an abundant number, since it is smaller than the sum of its proper divisors (33060592).

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

25172576 is a wasteful number, since it uses less digits than its factorization.

25172576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5535 (or 5527 counting only the distinct ones).

The product of its digits is 29400, while the sum is 35.

The square root of 25172576 is about 5017.2279198777. The cubic root of 25172576 is about 293.0730519429.

It can be divided in two parts, 251 and 72576, that added together give a palindrome (72827).

The spelling of 25172576 in words is "twenty-five million, one hundred seventy-two thousand, five hundred seventy-six".