625413515 has 16 divisors (see below), whose sum is σ = 765741600. Its totient is φ = 490194432.

The previous prime is 625413491. The next prime is 625413517. The reversal of 625413515 is 515314526.

It is a cyclic number.

It is not a de Polignac number, because 625413515 - 2⁸ = 625413259 is a prime.

It is a super-2 number, since 2×625413515² = 782284129489310450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (625413517) 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, 266216 + ... + 268554.

It is an arithmetic number, because the mean of its divisors is an integer number (47858850).

Almost surely, 2^625413515 is an apocalyptic number.

625413515 is a deficient number, since it is larger than the sum of its proper divisors (140328085).

625413515 is a wasteful number, since it uses less digits than its factorization.

625413515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3406.

The product of its digits is 18000, while the sum is 32.

The square root of 625413515 is about 25008.2689324951. The cubic root of 625413515 is about 855.1764919559.

The spelling of 625413515 in words is "six hundred twenty-five million, four hundred thirteen thousand, five hundred fifteen".