425131902 has 48 divisors (see below), whose sum is σ = 1028729520. Its totient is φ = 130807872.

The previous prime is 425131901. The next prime is 425131919. The reversal of 425131902 is 209131524.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425131901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27327 + ... + 39962.

It is an arithmetic number, because the mean of its divisors is an integer number (21431865).

Almost surely, 2^425131902 is an apocalyptic number.

425131902 is an abundant number, since it is smaller than the sum of its proper divisors (603597618).

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

425131902 is a wasteful number, since it uses less digits than its factorization.

425131902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67319 (or 67307 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 425131902 is about 20618.7269733124. The cubic root of 425131902 is about 751.9250705767.

The spelling of 425131902 in words is "four hundred twenty-five million, one hundred thirty-one thousand, nine hundred two".