513088897 has 2 divisors, whose sum is σ = 513088898. Its totient is φ = 513088896.

The previous prime is 513088867. The next prime is 513088931. The reversal of 513088897 is 798880315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 278355856 + 234733041 = 16684^2 + 15321^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513088897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 513088897.

It is not a weakly prime, because it can be changed into another prime (513088847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256544448 + 256544449.

It is an arithmetic number, because the mean of its divisors is an integer number (256544449).

Almost surely, 2^513088897 is an apocalyptic number.

It is an amenable number.

513088897 is a deficient number, since it is larger than the sum of its proper divisors (1).

513088897 is an equidigital number, since it uses as much as digits as its factorization.

513088897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 49.

The square root of 513088897 is about 22651.4656700179. The cubic root of 513088897 is about 800.5667322775.

The spelling of 513088897 in words is "five hundred thirteen million, eighty-eight thousand, eight hundred ninety-seven".