625400059 has 8 divisors (see below), whose sum is σ = 640584000. Its totient is φ = 610369032.

The previous prime is 625400033. The next prime is 625400071. The reversal of 625400059 is 950004526.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 625400059 - 2²⁵ = 591845627 is a prime.

It is a super-2 number, since 2×625400059² = 782250467594406962, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 625400059.

It is not an unprimeable number, because it can be changed into a prime (625400089) 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 7 ways as a sum of consecutive naturals, for example, 29929 + ... + 46330.

It is an arithmetic number, because the mean of its divisors is an integer number (80073000).

Almost surely, 2^625400059 is an apocalyptic number.

625400059 is a deficient number, since it is larger than the sum of its proper divisors (15183941).

625400059 is a wasteful number, since it uses less digits than its factorization.

625400059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76457.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 625400059 is about 25007.9999000320. Note that the first 4 decimals coincide. The cubic root of 625400059 is about 855.1703587672.

The spelling of 625400059 in words is "six hundred twenty-five million, four hundred thousand, fifty-nine".