513790238 has 16 divisors (see below), whose sum is σ = 866055456. Its totient is φ = 226823520.

The previous prime is 513790219. The next prime is 513790243. The reversal of 513790238 is 832097315.

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, 428993 + ... + 430188.

It is an arithmetic number, because the mean of its divisors is an integer number (54128466).

Almost surely, 2^513790238 is an apocalyptic number.

513790238 is a deficient number, since it is larger than the sum of its proper divisors (352265218).

513790238 is a wasteful number, since it uses less digits than its factorization.

513790238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859219.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 513790238 is about 22666.9415228433. The cubic root of 513790238 is about 800.9313309825.

The spelling of 513790238 in words is "five hundred thirteen million, seven hundred ninety thousand, two hundred thirty-eight".