625064513 has 8 divisors (see below), whose sum is σ = 631394400. Its totient is φ = 618761088.

The previous prime is 625064497. The next prime is 625064581. The reversal of 625064513 is 315460526.

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 625064513 - 2⁴ = 625064497 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 625064513.

It is not an unprimeable number, because it can be changed into a prime (625064213) 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, 42698 + ... + 55436.

It is an arithmetic number, because the mean of its divisors is an integer number (78924300).

Almost surely, 2^625064513 is an apocalyptic number.

It is an amenable number.

625064513 is a deficient number, since it is larger than the sum of its proper divisors (6329887).

625064513 is a wasteful number, since it uses less digits than its factorization.

625064513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13231.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 625064513 is about 25001.2902267063. The cubic root of 625064513 is about 855.0173898404.

The spelling of 625064513 in words is "six hundred twenty-five million, sixty-four thousand, five hundred thirteen".