513352121363 has 2 divisors, whose sum is σ = 513352121364. Its totient is φ = 513352121362.

The previous prime is 513352121333. The next prime is 513352121369. The reversal of 513352121363 is 363121253315.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 513352121363 - 2²⁴ = 513335344147 is a prime.

It is not a weakly prime, because it can be changed into another prime (513352121369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256676060681 + 256676060682.

It is an arithmetic number, because the mean of its divisors is an integer number (256676060682).

Almost surely, 2^513352121363 is an apocalyptic number.

513352121363 is a deficient number, since it is larger than the sum of its proper divisors (1).

513352121363 is an equidigital number, since it uses as much as digits as its factorization.

513352121363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48600, while the sum is 35.

Adding to 513352121363 its reverse (363121253315), we get a palindrome (876473374678).

The spelling of 513352121363 in words is "five hundred thirteen billion, three hundred fifty-two million, one hundred twenty-one thousand, three hundred sixty-three".