513264389 has 8 divisors (see below), whose sum is σ = 584269632. Its totient is φ = 446316640.

The previous prime is 513264377. The next prime is 513264439. The reversal of 513264389 is 983462315.

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

It is not a de Polignac number, because 513264389 - 2⁴ = 513264373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513264319) 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, 1014104 + ... + 1014609.

It is an arithmetic number, because the mean of its divisors is an integer number (73033704).

Almost surely, 2^513264389 is an apocalyptic number.

It is an amenable number.

513264389 is a deficient number, since it is larger than the sum of its proper divisors (71005243).

513264389 is a wasteful number, since it uses less digits than its factorization.

513264389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028747.

The product of its digits is 155520, while the sum is 41.

The square root of 513264389 is about 22655.3390837568. The cubic root of 513264389 is about 800.6579945930.

The spelling of 513264389 in words is "five hundred thirteen million, two hundred sixty-four thousand, three hundred eighty-nine".