522357949 has 2 divisors, whose sum is σ = 522357950. Its totient is φ = 522357948.

The previous prime is 522357893. The next prime is 522357959. The reversal of 522357949 is 949753225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 506700100 + 15657849 = 22510^2 + 3957^2 .

It is a cyclic number.

It is not a de Polignac number, because 522357949 - 2¹¹ = 522355901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 522357899 and 522357908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522357959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261178974 + 261178975.

It is an arithmetic number, because the mean of its divisors is an integer number (261178975).

Almost surely, 2^522357949 is an apocalyptic number.

It is an amenable number.

522357949 is a deficient number, since it is larger than the sum of its proper divisors (1).

522357949 is an equidigital number, since it uses as much as digits as its factorization.

522357949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 680400, while the sum is 46.

The square root of 522357949 is about 22855.1514761990. The cubic root of 522357949 is about 805.3587891782.

The spelling of 522357949 in words is "five hundred twenty-two million, three hundred fifty-seven thousand, nine hundred forty-nine".