25429252 has 6 divisors (see below), whose sum is σ = 44501198. Its totient is φ = 12714624.

The previous prime is 25429219. The next prime is 25429267. The reversal of 25429252 is 25292452.

It can be written as a sum of positive squares in only one way, i.e., 18957316 + 6471936 = 4354^2 + 2544^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3178653 + ... + 3178660.

Almost surely, 2^25429252 is an apocalyptic number.

It is an amenable number.

25429252 is a deficient number, since it is larger than the sum of its proper divisors (19071946).

25429252 is a wasteful number, since it uses less digits than its factorization.

25429252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6357317 (or 6357315 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 25429252 is about 5042.7425078027. The cubic root of 25429252 is about 294.0658066091.

The spelling of 25429252 in words is "twenty-five million, four hundred twenty-nine thousand, two hundred fifty-two".