522749701 has 2 divisors, whose sum is σ = 522749702. Its totient is φ = 522749700.

The previous prime is 522749693. The next prime is 522749719. The reversal of 522749701 is 107947225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 481802500 + 40947201 = 21950^2 + 6399^2 .

It is a cyclic number.

It is not a de Polignac number, because 522749701 - 2³ = 522749693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522749741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261374850 + 261374851.

It is an arithmetic number, because the mean of its divisors is an integer number (261374851).

Almost surely, 2^522749701 is an apocalyptic number.

It is an amenable number.

522749701 is a deficient number, since it is larger than the sum of its proper divisors (1).

522749701 is an equidigital number, since it uses as much as digits as its factorization.

522749701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 522749701 is about 22863.7201916049. The cubic root of 522749701 is about 805.5600701057.

The spelling of 522749701 in words is "five hundred twenty-two million, seven hundred forty-nine thousand, seven hundred one".