513364697 has 2 divisors, whose sum is σ = 513364698. Its totient is φ = 513364696.

The previous prime is 513364693. The next prime is 513364729. The reversal of 513364697 is 796463315.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 326741776 + 186622921 = 18076^2 + 13661^2 .

It is a cyclic number.

It is not a de Polignac number, because 513364697 - 2² = 513364693 is a prime.

It is not a weakly prime, because it can be changed into another prime (513364693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256682348 + 256682349.

It is an arithmetic number, because the mean of its divisors is an integer number (256682349).

Almost surely, 2^513364697 is an apocalyptic number.

It is an amenable number.

513364697 is a deficient number, since it is larger than the sum of its proper divisors (1).

513364697 is an equidigital number, since it uses as much as digits as its factorization.

513364697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 44.

The square root of 513364697 is about 22657.5527584071. The cubic root of 513364697 is about 800.7101491113.

The spelling of 513364697 in words is "five hundred thirteen million, three hundred sixty-four thousand, six hundred ninety-seven".