25203042 has 16 divisors (see below), whose sum is σ = 56006880. Its totient is φ = 8400996.

The previous prime is 25203041. The next prime is 25203043. The reversal of 25203042 is 24030252.

It is an interprime number because it is at equal distance from previous prime (25203041) and next prime (25203043).

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

It is not an unprimeable number, because it can be changed into a prime (25203041) 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, 233308 + ... + 233415.

It is an arithmetic number, because the mean of its divisors is an integer number (3500430).

Almost surely, 2^25203042 is an apocalyptic number.

25203042 is an abundant number, since it is smaller than the sum of its proper divisors (30803838).

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

25203042 is a wasteful number, since it uses less digits than its factorization.

25203042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466734 (or 466728 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 25203042 is about 5020.2631405137. The cubic root of 25203042 is about 293.1912382833.

Adding to 25203042 its reverse (24030252), we get a palindrome (49233294).

The spelling of 25203042 in words is "twenty-five million, two hundred three thousand, forty-two".