513215290 has 16 divisors (see below), whose sum is σ = 1055757312. Its totient is φ = 175959504.

The previous prime is 513215279. The next prime is 513215293. The reversal of 513215290 is 92512315.

It is not an unprimeable number, because it can be changed into a prime (513215293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3665754 + ... + 3665893.

It is an arithmetic number, because the mean of its divisors is an integer number (65984832).

Almost surely, 2^513215290 is an apocalyptic number.

513215290 is an abundant number, since it is smaller than the sum of its proper divisors (542542022).

513215290 is a wasteful number, since it uses less digits than its factorization.

513215290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7331661.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 513215290 is about 22654.2554501356. The cubic root of 513215290 is about 800.6324633975.

The spelling of 513215290 in words is "five hundred thirteen million, two hundred fifteen thousand, two hundred ninety".