425589516 has 72 divisors (see below), whose sum is σ = 1224647424. Its totient is φ = 123356640.

The previous prime is 425589499. The next prime is 425589517. The reversal of 425589516 is 615985524.

425589516 is a `hidden beast` number, since 4 + 2 + 55 + 89 + 516 = 666.

It is a super-2 number, since 2×425589516² = 362252872258228512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (425589517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14256 + ... + 32471.

It is an arithmetic number, because the mean of its divisors is an integer number (17008992).

Almost surely, 2^425589516 is an apocalyptic number.

425589516 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

425589516 is an abundant number, since it is smaller than the sum of its proper divisors (799057908).

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

425589516 is a wasteful number, since it uses less digits than its factorization.

425589516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46771 (or 46766 counting only the distinct ones).

The product of its digits is 432000, while the sum is 45.

The square root of 425589516 is about 20629.8210365480. The cubic root of 425589516 is about 752.1947657395.

The spelling of 425589516 in words is "four hundred twenty-five million, five hundred eighty-nine thousand, five hundred sixteen".