425608018 has 16 divisors (see below), whose sum is σ = 733105440. Its totient is φ = 183276000.

The previous prime is 425608013. The next prime is 425608033. The reversal of 425608018 is 810806524.

It is a super-2 number, since 2×425608018² = 362284369971776648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (425608013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508683 + ... + 509518.

It is an arithmetic number, because the mean of its divisors is an integer number (45819090).

Almost surely, 2^425608018 is an apocalyptic number.

425608018 is a deficient number, since it is larger than the sum of its proper divisors (307497422).

425608018 is a wasteful number, since it uses less digits than its factorization.

425608018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018233.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 425608018 is about 20630.2694601888. The cubic root of 425608018 is about 752.2056658403.

The spelling of 425608018 in words is "four hundred twenty-five million, six hundred eight thousand, eighteen".