520271131 has 2 divisors, whose sum is σ = 520271132. Its totient is φ = 520271130.

The previous prime is 520271123. The next prime is 520271149. The reversal of 520271131 is 131172025.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520271131 - 2³ = 520271123 is a prime.

It is a super-2 number, since 2×520271131² = 541364099504038322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (520271831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260135565 + 260135566.

It is an arithmetic number, because the mean of its divisors is an integer number (260135566).

Almost surely, 2^520271131 is an apocalyptic number.

520271131 is a deficient number, since it is larger than the sum of its proper divisors (1).

520271131 is an equidigital number, since it uses as much as digits as its factorization.

520271131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 520271131 is about 22809.4526676990. The cubic root of 520271131 is about 804.2848894077.

The spelling of 520271131 in words is "five hundred twenty million, two hundred seventy-one thousand, one hundred thirty-one".