513240015 has 8 divisors (see below), whose sum is σ = 821184048. Its totient is φ = 273728000.

The previous prime is 513240001. The next prime is 513240071. The reversal of 513240015 is 510042315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 513240015 - 2⁵ = 513239983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 513239973 and 513240000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17107986 + ... + 17108015.

It is an arithmetic number, because the mean of its divisors is an integer number (102648006).

Almost surely, 2^513240015 is an apocalyptic number.

513240015 is a deficient number, since it is larger than the sum of its proper divisors (307944033).

513240015 is a wasteful number, since it uses less digits than its factorization.

513240015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34216009.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 513240015 is about 22654.8011467768. The cubic root of 513240015 is about 800.6453204578.

The spelling of 513240015 in words is "five hundred thirteen million, two hundred forty thousand, fifteen".