25451452 has 24 divisors (see below), whose sum is σ = 48552336. Its totient is φ = 11603328.

The previous prime is 25451443. The next prime is 25451471. The reversal of 25451452 is 25415452.

It is a self number, because there is not a number n which added to its sum of digits gives 25451452.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1368 + ... + 7264.

It is an arithmetic number, because the mean of its divisors is an integer number (2023014).

Almost surely, 2^25451452 is an apocalyptic number.

It is an amenable number.

25451452 is a deficient number, since it is larger than the sum of its proper divisors (23100884).

25451452 is a wasteful number, since it uses less digits than its factorization.

25451452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5997 (or 5995 counting only the distinct ones).

The product of its digits is 8000, while the sum is 28.

The square root of 25451452 is about 5044.9432107805. The cubic root of 25451452 is about 294.1513558824.

The spelling of 25451452 in words is "twenty-five million, four hundred fifty-one thousand, four hundred fifty-two".