513960225 has 12 divisors (see below), whose sum is σ = 849747696. Its totient is φ = 274112080.

The previous prime is 513960217. The next prime is 513960233. The reversal of 513960225 is 522069315.

It is an interprime number because it is at equal distance from previous prime (513960217) and next prime (513960233).

It is not a de Polignac number, because 513960225 - 2³ = 513960217 is a prime.

It is a super-2 number, since 2×513960225² = 528310225764101250, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3426327 + ... + 3426476.

It is an arithmetic number, because the mean of its divisors is an integer number (70812308).

Almost surely, 2^513960225 is an apocalyptic number.

It is an amenable number.

513960225 is a deficient number, since it is larger than the sum of its proper divisors (335787471).

513960225 is a wasteful number, since it uses less digits than its factorization.

513960225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6852816 (or 6852811 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 513960225 is about 22670.6908805180. The cubic root of 513960225 is about 801.0196503601.

The spelling of 513960225 in words is "five hundred thirteen million, nine hundred sixty thousand, two hundred twenty-five".