513089797 has 16 divisors (see below), whose sum is σ = 569571264. Its totient is φ = 458320000.

The previous prime is 513089777. The next prime is 513089809. The reversal of 513089797 is 797980315.

It is a cyclic number.

It is not a de Polignac number, because 513089797 - 2⁷ = 513089669 is a prime.

It is a super-2 number, since 2×513089797² = 526522279571002418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 513089797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513089747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150522 + ... + 153892.

It is an arithmetic number, because the mean of its divisors is an integer number (35598204).

Almost surely, 2^513089797 is an apocalyptic number.

It is an amenable number.

513089797 is a deficient number, since it is larger than the sum of its proper divisors (56481467).

513089797 is a wasteful number, since it uses less digits than its factorization.

513089797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3620.

The product of its (nonzero) digits is 476280, while the sum is 49.

The square root of 513089797 is about 22651.4855362733. The cubic root of 513089797 is about 800.5672003638.

The spelling of 513089797 in words is "five hundred thirteen million, eighty-nine thousand, seven hundred ninety-seven".