515146965 has 16 divisors (see below), whose sum is σ = 832398336. Its totient is φ = 272024000.

The previous prime is 515146949. The next prime is 515146979. The reversal of 515146965 is 569641515.

It is not a de Polignac number, because 515146965 - 2⁴ = 515146949 is a prime.

It is a super-2 number, since 2×515146965² = 530752791097422450, which contains 22 as substring.

It is a congruent 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, 168501 + ... + 171530.

It is an arithmetic number, because the mean of its divisors is an integer number (52024896).

Almost surely, 2^515146965 is an apocalyptic number.

It is an amenable number.

515146965 is a deficient number, since it is larger than the sum of its proper divisors (317251371).

515146965 is a wasteful number, since it uses less digits than its factorization.

515146965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340140.

The product of its digits is 162000, while the sum is 42.

The square root of 515146965 is about 22696.8492306752. The cubic root of 515146965 is about 801.6356976082.

The spelling of 515146965 in words is "five hundred fifteen million, one hundred forty-six thousand, nine hundred sixty-five".