513120326 has 16 divisors (see below), whose sum is σ = 783820800. Its totient is φ = 251883528.

The previous prime is 513120323. The next prime is 513120341. The reversal of 513120326 is 623021315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513120323) 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, 19211 + ... + 37353.

It is an arithmetic number, because the mean of its divisors is an integer number (48988800).

Almost surely, 2^513120326 is an apocalyptic number.

513120326 is a deficient number, since it is larger than the sum of its proper divisors (270700474).

513120326 is a wasteful number, since it uses less digits than its factorization.

513120326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18403.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 513120326 is about 22652.1594114115. The cubic root of 513120326 is about 800.5830780467.

The spelling of 513120326 in words is "five hundred thirteen million, one hundred twenty thousand, three hundred twenty-six".