515252535 has 32 divisors (see below), whose sum is σ = 965164032. Its totient is φ = 229797120.

The previous prime is 515252489. The next prime is 515252537. The reversal of 515252535 is 535252515.

It is not a de Polignac number, because 515252535 - 2⁷ = 515252407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 515252496 and 515252505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515252537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55539 + ... + 64148.

It is an arithmetic number, because the mean of its divisors is an integer number (30161376).

Almost surely, 2^515252535 is an apocalyptic number.

515252535 is a deficient number, since it is larger than the sum of its proper divisors (449911497).

515252535 is a wasteful number, since it uses less digits than its factorization.

515252535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119743.

The product of its digits is 37500, while the sum is 33.

The square root of 515252535 is about 22699.1747647354. The cubic root of 515252535 is about 801.6904540861.

The spelling of 515252535 in words is "five hundred fifteen million, two hundred fifty-two thousand, five hundred thirty-five".