513452324513501 has 2 divisors, whose sum is σ = 513452324513502. Its totient is φ = 513452324513500.

The previous prime is 513452324513489. The next prime is 513452324513543. The reversal of 513452324513501 is 105315423254315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 460919893212025 + 52532431301476 = 21469045^2 + 7247926^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513452324513501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513452324513101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256726162256750 + 256726162256751.

It is an arithmetic number, because the mean of its divisors is an integer number (256726162256751).

Almost surely, 2^{513452324513501} is an apocalyptic number.

It is an amenable number.

513452324513501 is a deficient number, since it is larger than the sum of its proper divisors (1).

513452324513501 is an equidigital number, since it uses as much as digits as its factorization.

513452324513501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080000, while the sum is 44.

Adding to 513452324513501 its reverse (105315423254315), we get a palindrome (618767747767816).

The spelling of 513452324513501 in words is "five hundred thirteen trillion, four hundred fifty-two billion, three hundred twenty-four million, five hundred thirteen thousand, five hundred one".