515012015 has 16 divisors (see below), whose sum is σ = 730658880. Its totient is φ = 340972800.

The previous prime is 515012009. The next prime is 515012027. The reversal of 515012015 is 510210515.

It is a happy number.

It is not a de Polignac number, because 515012015 - 2⁶ = 515011951 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252686 + ... + 254715.

It is an arithmetic number, because the mean of its divisors is an integer number (45666180).

Almost surely, 2^515012015 is an apocalyptic number.

515012015 is a deficient number, since it is larger than the sum of its proper divisors (215646865).

515012015 is a wasteful number, since it uses less digits than its factorization.

515012015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507442.

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 515012015 is about 22693.8761563555. The cubic root of 515012015 is about 801.5656915758.

It can be divided in two parts, 5150 and 12015, that multiplied together give a triangular number (61877250 = T₁₁₁₂₄).

The spelling of 515012015 in words is "five hundred fifteen million, twelve thousand, fifteen".