513097545804097 has 4 divisors (see below), whose sum is σ = 516365683038676. Its totient is φ = 509829408569520.

The previous prime is 513097545804083. The next prime is 513097545804143. The reversal of 513097545804097 is 790408545790315.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 107415066287376 + 405682479516721 = 10364124^2 + 20141561^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513097545804097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513097545804197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1634068617054 + ... + 1634068617367.

It is an arithmetic number, because the mean of its divisors is an integer number (129091420759669).

Almost surely, 2^{513097545804097} is an apocalyptic number.

It is an amenable number.

513097545804097 is a deficient number, since it is larger than the sum of its proper divisors (3268137234579).

513097545804097 is a wasteful number, since it uses less digits than its factorization.

513097545804097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3268137234578.

The product of its (nonzero) digits is 190512000, while the sum is 67.

The spelling of 513097545804097 in words is "five hundred thirteen trillion, ninety-seven billion, five hundred forty-five million, eight hundred four thousand, ninety-seven".