513352493 has 2 divisors, whose sum is σ = 513352494. Its totient is φ = 513352492.

The previous prime is 513352453. The next prime is 513352501. The reversal of 513352493 is 394253315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 267584164 + 245768329 = 16358^2 + 15677^2 .

It is a cyclic number.

It is not a de Polignac number, because 513352493 - 2¹⁸ = 513090349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513352423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256676246 + 256676247.

It is an arithmetic number, because the mean of its divisors is an integer number (256676247).

Almost surely, 2^513352493 is an apocalyptic number.

It is an amenable number.

513352493 is a deficient number, since it is larger than the sum of its proper divisors (1).

513352493 is an equidigital number, since it uses as much as digits as its factorization.

513352493 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.

The square root of 513352493 is about 22657.2834426372. The cubic root of 513352493 is about 800.7038040807.

The spelling of 513352493 in words is "five hundred thirteen million, three hundred fifty-two thousand, four hundred ninety-three".