515235065 has 16 divisors (see below), whose sum is σ = 689109120. Its totient is φ = 367522560.

The previous prime is 515235047. The next prime is 515235089. The reversal of 515235065 is 560532515.

It is not a de Polignac number, because 515235065 - 2²⁰ = 514186489 is a prime.

It is a super-3 number, since 3×515235065³ (a number of 27 digits) contains 333 as substring.

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, 157901 + ... + 161130.

It is an arithmetic number, because the mean of its divisors is an integer number (43069320).

Almost surely, 2^515235065 is an apocalyptic number.

It is an amenable number.

515235065 is a deficient number, since it is larger than the sum of its proper divisors (173874055).

515235065 is a wasteful number, since it uses less digits than its factorization.

515235065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319072.

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 515235065 is about 22698.7899457218. The cubic root of 515235065 is about 801.6813933572.

The spelling of 515235065 in words is "five hundred fifteen million, two hundred thirty-five thousand, sixty-five".