425164365 has 12 divisors (see below), whose sum is σ = 736951644. Its totient is φ = 226754304.

The previous prime is 425164307. The next prime is 425164391. The reversal of 425164365 is 563461524.

425164365 is a `hidden beast` number, since 4 + 2 + 5 + 1 + 643 + 6 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 123343236 + 301821129 = 11106^2 + 17373^2 .

It is not a de Polignac number, because 425164365 - 2¹¹ = 425162317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4724004 + ... + 4724093.

It is an arithmetic number, because the mean of its divisors is an integer number (61412637).

Almost surely, 2^425164365 is an apocalyptic number.

425164365 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

425164365 is a deficient number, since it is larger than the sum of its proper divisors (311787279).

425164365 is a wasteful number, since it uses less digits than its factorization.

425164365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9448108 (or 9448105 counting only the distinct ones).

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

The square root of 425164365 is about 20619.5141795339. The cubic root of 425164365 is about 751.9442090466.

The spelling of 425164365 in words is "four hundred twenty-five million, one hundred sixty-four thousand, three hundred sixty-five".