425260566 has 24 divisors (see below), whose sum is σ = 922086360. Its totient is φ = 141647616.

The previous prime is 425260541. The next prime is 425260567. The reversal of 425260566 is 665062524.

425260566 is a `hidden beast` number, since 42 + 5 + 2 + 605 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 425260566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425260567) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18166 + ... + 34358.

It is an arithmetic number, because the mean of its divisors is an integer number (38420265).

Almost surely, 2^425260566 is an apocalyptic number.

425260566 is an abundant number, since it is smaller than the sum of its proper divisors (496825794).

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

425260566 is a wasteful number, since it uses less digits than its factorization.

425260566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17660 (or 17657 counting only the distinct ones).

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

The square root of 425260566 is about 20621.8468135131. The cubic root of 425260566 is about 752.0009183537. Note that the first 3 decimals are identical.

The spelling of 425260566 in words is "four hundred twenty-five million, two hundred sixty thousand, five hundred sixty-six".