25136452 has 24 divisors (see below), whose sum is σ = 48142080. Its totient is φ = 11388960.

The previous prime is 25136437. The next prime is 25136459. The reversal of 25136452 is 25463152.

It is a self number, because there is not a number n which added to its sum of digits gives 25136452.

It is not an unprimeable number, because it can be changed into a prime (25136459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16749 + ... + 18187.

It is an arithmetic number, because the mean of its divisors is an integer number (2005920).

Almost surely, 2^25136452 is an apocalyptic number.

25136452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25136452 is a deficient number, since it is larger than the sum of its proper divisors (23005628).

25136452 is a wasteful number, since it uses less digits than its factorization.

25136452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851 (or 1849 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 25136452 is about 5013.6266314914. The cubic root of 25136452 is about 292.9327929661.

The spelling of 25136452 in words is "twenty-five million, one hundred thirty-six thousand, four hundred fifty-two".