25242102 has 24 divisors (see below), whose sum is σ = 55856736. Its totient is φ = 8234736.

The previous prime is 25242097. The next prime is 25242131. The reversal of 25242102 is 20124252.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 14073 + ... + 15764.

It is an arithmetic number, because the mean of its divisors is an integer number (2327364).

Almost surely, 2^25242102 is an apocalyptic number.

25242102 is an abundant number, since it is smaller than the sum of its proper divisors (30614634).

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

25242102 is a wasteful number, since it uses less digits than its factorization.

25242102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29892 (or 29889 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 25242102 is about 5024.1518687237. The cubic root of 25242102 is about 293.3426239596.

Adding to 25242102 its reverse (20124252), we get a palindrome (45366354).

The spelling of 25242102 in words is "twenty-five million, two hundred forty-two thousand, one hundred two".