524522993 has 2 divisors, whose sum is σ = 524522994. Its totient is φ = 524522992.

The previous prime is 524522969. The next prime is 524523011. The reversal of 524522993 is 399225425.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 368947264 + 155575729 = 19208^2 + 12473^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-524522993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 524522993.

It is not a weakly prime, because it can be changed into another prime (524522923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262261496 + 262261497.

It is an arithmetic number, because the mean of its divisors is an integer number (262261497).

Almost surely, 2^524522993 is an apocalyptic number.

It is an amenable number.

524522993 is a deficient number, since it is larger than the sum of its proper divisors (1).

524522993 is an equidigital number, since it uses as much as digits as its factorization.

524522993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 41.

The square root of 524522993 is about 22902.4669631898. The cubic root of 524522993 is about 806.4699261985.

The spelling of 524522993 in words is "five hundred twenty-four million, five hundred twenty-two thousand, nine hundred ninety-three".