52524430997 has 2 divisors, whose sum is σ = 52524430998. Its totient is φ = 52524430996.

The previous prime is 52524430991. The next prime is 52524431077. The reversal of 52524430997 is 79903442525.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48341057956 + 4183373041 = 219866^2 + 64679^2 .

It is a cyclic number.

It is not a de Polignac number, because 52524430997 - 2⁸ = 52524430741 is a prime.

It is a super-2 number, since 2×52524430997² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52524430991) 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, 26262215498 + 26262215499.

It is an arithmetic number, because the mean of its divisors is an integer number (26262215499).

Almost surely, 2^52524430997 is an apocalyptic number.

It is an amenable number.

52524430997 is a deficient number, since it is larger than the sum of its proper divisors (1).

52524430997 is an equidigital number, since it uses as much as digits as its factorization.

52524430997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 52524430997 in words is "fifty-two billion, five hundred twenty-four million, four hundred thirty thousand, nine hundred ninety-seven".