25158452 has 12 divisors (see below), whose sum is σ = 48029856. Its totient is φ = 11435640.

The previous prime is 25158449. The next prime is 25158467. The reversal of 25158452 is 25485152.

It is a super-4 number, since 4×25158452⁴ (a number of 31 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285848 + ... + 285935.

It is an arithmetic number, because the mean of its divisors is an integer number (4002488).

Almost surely, 2^25158452 is an apocalyptic number.

25158452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25158452 is a deficient number, since it is larger than the sum of its proper divisors (22871404).

25158452 is a wasteful number, since it uses less digits than its factorization.

25158452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571798 (or 571796 counting only the distinct ones).

The product of its digits is 16000, while the sum is 32.

The square root of 25158452 is about 5015.8201722151. The cubic root of 25158452 is about 293.0182285483.

The spelling of 25158452 in words is "twenty-five million, one hundred fifty-eight thousand, four hundred fifty-two".