520713511 has 2 divisors, whose sum is σ = 520713512. Its totient is φ = 520713510.

The previous prime is 520713497. The next prime is 520713533. The reversal of 520713511 is 115317025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520713511 - 2¹¹ = 520711463 is a prime.

It is a super-2 number, since 2×520713511² = 542285121075894242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520713581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260356755 + 260356756.

It is an arithmetic number, because the mean of its divisors is an integer number (260356756).

Almost surely, 2^520713511 is an apocalyptic number.

520713511 is a deficient number, since it is larger than the sum of its proper divisors (1).

520713511 is an equidigital number, since it uses as much as digits as its factorization.

520713511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 520713511 is about 22819.1479025839. The cubic root of 520713511 is about 804.5127826041.

The spelling of 520713511 in words is "five hundred twenty million, seven hundred thirteen thousand, five hundred eleven".