425954660 has 12 divisors (see below), whose sum is σ = 894504828. Its totient is φ = 170381856.

The previous prime is 425954653. The next prime is 425954719. The reversal of 425954660 is 66459524.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 138109504 + 287845156 = 11752^2 + 16966^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10648847 + ... + 10648886.

It is an arithmetic number, because the mean of its divisors is an integer number (74542069).

Almost surely, 2^425954660 is an apocalyptic number.

It is an amenable number.

425954660 is an abundant number, since it is smaller than the sum of its proper divisors (468550168).

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

425954660 is a wasteful number, since it uses less digits than its factorization.

425954660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21297742 (or 21297740 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 425954660 is about 20638.6690462345. The cubic root of 425954660 is about 752.4098249946.

The spelling of 425954660 in words is "four hundred twenty-five million, nine hundred fifty-four thousand, six hundred sixty".