625672789 has 16 divisors (see below), whose sum is σ = 734980608. Its totient is φ = 521494272.

The previous prime is 625672771. The next prime is 625672813. The reversal of 625672789 is 987276526.

It is a cyclic number.

It is not a de Polignac number, because 625672789 - 2¹⁷ = 625541717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625672189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45597 + ... + 57709.

It is an arithmetic number, because the mean of its divisors is an integer number (45936288).

Almost surely, 2^625672789 is an apocalyptic number.

It is an amenable number.

625672789 is a deficient number, since it is larger than the sum of its proper divisors (109307819).

625672789 is a wasteful number, since it uses less digits than its factorization.

625672789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12324.

The product of its digits is 2540160, while the sum is 52.

The square root of 625672789 is about 25013.4521607874. The cubic root of 625672789 is about 855.2946507910.

It can be divided in two parts, 62567 and 2789, that added together give a palindrome (65356).

The spelling of 625672789 in words is "six hundred twenty-five million, six hundred seventy-two thousand, seven hundred eighty-nine".