97719053 has 2 divisors, whose sum is σ = 97719054. Its totient is φ = 97719052.

The previous prime is 97719029. The next prime is 97719073. The reversal of 97719053 is 35091779.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63648484 + 34070569 = 7978^2 + 5837^2 .

It is an emirp because it is prime and its reverse (35091779) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97719053 - 2²⁰ = 96670477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97719053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97719073) 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, 48859526 + 48859527.

It is an arithmetic number, because the mean of its divisors is an integer number (48859527).

Almost surely, 2^97719053 is an apocalyptic number.

It is an amenable number.

97719053 is a deficient number, since it is larger than the sum of its proper divisors (1).

97719053 is an equidigital number, since it uses as much as digits as its factorization.

97719053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 59535, while the sum is 41.

The square root of 97719053 is about 9885.2947856905. The cubic root of 97719053 is about 460.6026332874.

The spelling of 97719053 in words is "ninety-seven million, seven hundred nineteen thousand, fifty-three".