8625557 has 8 divisors (see below), whose sum is σ = 8963040. Its totient is φ = 8290800.

The previous prime is 8625553. The next prime is 8625559. The reversal of 8625557 is 7555268.

8625557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 8625557 - 2² = 8625553 is a prime.

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 8625557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8625553) 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, 7682 + ... + 8732.

It is an arithmetic number, because the mean of its divisors is an integer number (1120380).

Almost surely, 2^8625557 is an apocalyptic number.

It is an amenable number.

8625557 is a deficient number, since it is larger than the sum of its proper divisors (337483).

8625557 is a wasteful number, since it uses less digits than its factorization.

8625557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363.

The product of its digits is 84000, while the sum is 38.

The square root of 8625557 is about 2936.9298595642. The cubic root of 8625557 is about 205.0827110224.

The spelling of 8625557 in words is "eight million, six hundred twenty-five thousand, five hundred fifty-seven".