425666356 has 12 divisors (see below), whose sum is σ = 757542240. Its totient is φ = 209225720.

The previous prime is 425666323. The next prime is 425666369. The reversal of 425666356 is 653666524.

It is a congruent number.

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, 901600 + ... + 902071.

It is an arithmetic number, because the mean of its divisors is an integer number (63128520).

Almost surely, 2^425666356 is an apocalyptic number.

It is an amenable number.

425666356 is a deficient number, since it is larger than the sum of its proper divisors (331875884).

425666356 is a wasteful number, since it uses less digits than its factorization.

425666356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803734 (or 1803732 counting only the distinct ones).

The product of its digits is 777600, while the sum is 43.

The square root of 425666356 is about 20631.6833050529. The cubic root of 425666356 is about 752.2400324934.

The spelling of 425666356 in words is "four hundred twenty-five million, six hundred sixty-six thousand, three hundred fifty-six".