425557900 has 18 divisors (see below), whose sum is σ = 923460860. Its totient is φ = 170223120.

The previous prime is 425557843. The next prime is 425557907. The reversal of 425557900 is 9755524.

It is a self number, because there is not a number n which added to its sum of digits gives 425557900.

It is not an unprimeable number, because it can be changed into a prime (425557907) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2127690 + ... + 2127889.

Almost surely, 2^425557900 is an apocalyptic number.

It is an amenable number.

425557900 is an abundant number, since it is smaller than the sum of its proper divisors (497902960).

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

425557900 is a wasteful number, since it uses less digits than its factorization.

425557900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4255593 (or 4255586 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 425557900 is about 20629.0547529449. The cubic root of 425557900 is about 752.1761390442.

The spelling of 425557900 in words is "four hundred twenty-five million, five hundred fifty-seven thousand, nine hundred".