513422524355557 has 2 divisors, whose sum is σ = 513422524355558. Its totient is φ = 513422524355556.

The previous prime is 513422524355441. The next prime is 513422524355593. The reversal of 513422524355557 is 755553425224315.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 429190401381921 + 84232122973636 = 20716911^2 + 9177806^2 .

It is a cyclic number.

It is not a de Polignac number, because 513422524355557 - 2¹¹ = 513422524353509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513422524355357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256711262177778 + 256711262177779.

It is an arithmetic number, because the mean of its divisors is an integer number (256711262177779).

Almost surely, 2^{513422524355557} is an apocalyptic number.

It is an amenable number.

513422524355557 is a deficient number, since it is larger than the sum of its proper divisors (1).

513422524355557 is an equidigital number, since it uses as much as digits as its factorization.

513422524355557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126000000, while the sum is 58.

The spelling of 513422524355557 in words is "five hundred thirteen trillion, four hundred twenty-two billion, five hundred twenty-four million, three hundred fifty-five thousand, five hundred fifty-seven".