425134566 has 12 divisors (see below), whose sum is σ = 921124932. Its totient is φ = 141711516.

The previous prime is 425134547. The next prime is 425134573. The reversal of 425134566 is 665431524.

425134566 is a `hidden beast` number, since 4 + 251 + 345 + 66 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 425134566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11809276 + ... + 11809311.

It is an arithmetic number, because the mean of its divisors is an integer number (76760411).

Almost surely, 2^425134566 is an apocalyptic number.

425134566 is an abundant number, since it is smaller than the sum of its proper divisors (495990366).

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

425134566 is a wasteful number, since it uses less digits than its factorization.

425134566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23618595 (or 23618592 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 425134566 is about 20618.7915746777. The cubic root of 425134566 is about 751.9266411671.

The spelling of 425134566 in words is "four hundred twenty-five million, one hundred thirty-four thousand, five hundred sixty-six".