25248042 has 24 divisors (see below), whose sum is σ = 55192644. Its totient is φ = 8340864.

The previous prime is 25248037. The next prime is 25248053. The reversal of 25248042 is 24084252.

25248042 = 429² + 430² + ... + 536².

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20875761 + 4372281 = 4569^2 + 2091^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25247997 and 25248015.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4173 + ... + 8240.

Almost surely, 2^25248042 is an apocalyptic number.

25248042 is an abundant number, since it is smaller than the sum of its proper divisors (29944602).

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

25248042 is a wasteful number, since it uses less digits than its factorization.

25248042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12534 (or 12531 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 25248042 is about 5024.7429785015. The cubic root of 25248042 is about 293.3656320610.

The spelling of 25248042 in words is "twenty-five million, two hundred forty-eight thousand, forty-two".