513352501 has 2 divisors, whose sum is σ = 513352502. Its totient is φ = 513352500.

The previous prime is 513352493. The next prime is 513352523. The reversal of 513352501 is 105253315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 475283601 + 38068900 = 21801^2 + 6170^2 .

It is a cyclic number.

It is not a de Polignac number, because 513352501 - 2³ = 513352493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513352201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256676250 + 256676251.

It is an arithmetic number, because the mean of its divisors is an integer number (256676251).

Almost surely, 2^513352501 is an apocalyptic number.

It is an amenable number.

513352501 is a deficient number, since it is larger than the sum of its proper divisors (1).

513352501 is an equidigital number, since it uses as much as digits as its factorization.

513352501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 513352501 is about 22657.2836191808. The cubic root of 513352501 is about 800.7038082400.

The spelling of 513352501 in words is "five hundred thirteen million, three hundred fifty-two thousand, five hundred one".