8513401625 has 16 divisors (see below), whose sum is σ = 10675112448. Its totient is φ = 6778422000.

The previous prime is 8513401601. The next prime is 8513401657. The reversal of 8513401625 is 5261043158.

It is not a de Polignac number, because 8513401625 - 2¹⁶ = 8513336089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135017 + ... + 187766.

It is an arithmetic number, because the mean of its divisors is an integer number (667194528).

Almost surely, 2^8513401625 is an apocalyptic number.

It is an amenable number.

8513401625 is a deficient number, since it is larger than the sum of its proper divisors (2161710823).

8513401625 is a wasteful number, since it uses less digits than its factorization.

8513401625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323009 (or 322999 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 8513401625 is about 92268.0964635122. The cubic root of 8513401625 is about 2041.8995526839.

The spelling of 8513401625 in words is "eight billion, five hundred thirteen million, four hundred one thousand, six hundred twenty-five".