97852516523 has 2 divisors, whose sum is σ = 97852516524. Its totient is φ = 97852516522.

The previous prime is 97852516519. The next prime is 97852516529. The reversal of 97852516523 is 32561525879.

It is a weak prime.

It is an emirp because it is prime and its reverse (32561525879) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97852516523 - 2² = 97852516519 is a prime.

It is a super-2 number, since 2×97852516523² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (97852516529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48926258261 + 48926258262.

It is an arithmetic number, because the mean of its divisors is an integer number (48926258262).

Almost surely, 2^97852516523 is an apocalyptic number.

97852516523 is a deficient number, since it is larger than the sum of its proper divisors (1).

97852516523 is an equidigital number, since it uses as much as digits as its factorization.

97852516523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536000, while the sum is 53.

The spelling of 97852516523 in words is "ninety-seven billion, eight hundred fifty-two million, five hundred sixteen thousand, five hundred twenty-three".