522747131 has 2 divisors, whose sum is σ = 522747132. Its totient is φ = 522747130.

The previous prime is 522747103. The next prime is 522747157. The reversal of 522747131 is 131747225.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-522747131 is a prime.

It is a super-2 number, since 2×522747131² = 546529125937462322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (522740131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261373565 + 261373566.

It is an arithmetic number, because the mean of its divisors is an integer number (261373566).

Almost surely, 2^522747131 is an apocalyptic number.

522747131 is a deficient number, since it is larger than the sum of its proper divisors (1).

522747131 is an equidigital number, since it uses as much as digits as its factorization.

522747131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760, while the sum is 32.

The square root of 522747131 is about 22863.6639889586. The cubic root of 522747131 is about 805.5587499756.

The spelling of 522747131 in words is "five hundred twenty-two million, seven hundred forty-seven thousand, one hundred thirty-one".