522012313 has 2 divisors, whose sum is σ = 522012314. Its totient is φ = 522012312.

The previous prime is 522012307. The next prime is 522012331. The reversal of 522012313 is 313210225.

Together with next prime (522012331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 503418969 + 18593344 = 22437^2 + 4312^2 .

It is a cyclic number.

It is not a de Polignac number, because 522012313 - 2⁹ = 522011801 is a prime.

It is not a weakly prime, because it can be changed into another prime (522012713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261006156 + 261006157.

It is an arithmetic number, because the mean of its divisors is an integer number (261006157).

Almost surely, 2^522012313 is an apocalyptic number.

It is an amenable number.

522012313 is a deficient number, since it is larger than the sum of its proper divisors (1).

522012313 is an equidigital number, since it uses as much as digits as its factorization.

522012313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 522012313 is about 22847.5887786873. The cubic root of 522012313 is about 805.1811189240.

Adding to 522012313 its reverse (313210225), we get a palindrome (835222538).

The spelling of 522012313 in words is "five hundred twenty-two million, twelve thousand, three hundred thirteen".