25242492 has 24 divisors (see below), whose sum is σ = 64253952. Its totient is φ = 7649200.

The previous prime is 25242491. The next prime is 25242493. The reversal of 25242492 is 29424252.

It is an interprime number because it is at equal distance from previous prime (25242491) and next prime (25242493).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25242491) 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, 95484 + ... + 95747.

It is an arithmetic number, because the mean of its divisors is an integer number (2677248).

Almost surely, 2^25242492 is an apocalyptic number.

25242492 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25242492 is an abundant number, since it is smaller than the sum of its proper divisors (39011460).

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

25242492 is a wasteful number, since it uses less digits than its factorization.

25242492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191249 (or 191247 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 25242492 is about 5024.1906810948. The cubic root of 25242492 is about 293.3441347033.

The spelling of 25242492 in words is "twenty-five million, two hundred forty-two thousand, four hundred ninety-two".