522512251 has 2 divisors, whose sum is σ = 522512252. Its totient is φ = 522512250.

The previous prime is 522512219. The next prime is 522512267. The reversal of 522512251 is 152215225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 522512251 - 2⁵ = 522512219 is a prime.

It is not a weakly prime, because it can be changed into another prime (522512281) 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, 261256125 + 261256126.

It is an arithmetic number, because the mean of its divisors is an integer number (261256126).

Almost surely, 2^522512251 is an apocalyptic number.

522512251 is a deficient number, since it is larger than the sum of its proper divisors (1).

522512251 is an equidigital number, since it uses as much as digits as its factorization.

522512251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2000, while the sum is 25.

The square root of 522512251 is about 22858.5268772946. The cubic root of 522512251 is about 805.4380810623.

Adding to 522512251 its reverse (152215225), we get a palindrome (674727476).

The spelling of 522512251 in words is "five hundred twenty-two million, five hundred twelve thousand, two hundred fifty-one".