625870617 has 8 divisors (see below), whose sum is σ = 854847840. Its totient is φ = 407070240.

The previous prime is 625870603. The next prime is 625870681. The reversal of 625870617 is 716078526.

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

It is not a de Polignac number, because 625870617 - 2¹⁴ = 625854233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (625870417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2544067 + ... + 2544312.

It is an arithmetic number, because the mean of its divisors is an integer number (106855980).

Almost surely, 2^625870617 is an apocalyptic number.

It is an amenable number.

625870617 is a deficient number, since it is larger than the sum of its proper divisors (228977223).

625870617 is a wasteful number, since it uses less digits than its factorization.

625870617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5088423.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 625870617 is about 25017.4062804280. The cubic root of 625870617 is about 855.3847849119.

The spelling of 625870617 in words is "six hundred twenty-five million, eight hundred seventy thousand, six hundred seventeen".