25144252 has 18 divisors (see below), whose sum is σ = 51186912. Its totient is φ = 10776024.

The previous prime is 25144219. The next prime is 25144279. The reversal of 25144252 is 25244152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63948 + ... + 64339.

Almost surely, 2^25144252 is an apocalyptic number.

It is an amenable number.

25144252 is an abundant number, since it is smaller than the sum of its proper divisors (26042660).

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

25144252 is a wasteful number, since it uses less digits than its factorization.

25144252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128305 (or 128296 counting only the distinct ones).

The product of its digits is 3200, while the sum is 25.

The square root of 25144252 is about 5014.4044511786. The cubic root of 25144252 is about 292.9630894653.

The spelling of 25144252 in words is "twenty-five million, one hundred forty-four thousand, two hundred fifty-two".