97521367351 has 4 divisors (see below), whose sum is σ = 97782819112. Its totient is φ = 97259915592.

The previous prime is 97521367331. The next prime is 97521367379. The reversal of 97521367351 is 15376312579.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97521367351 - 2⁵ = 97521367319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97521367295 and 97521367304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97521367331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130725321 + ... + 130726066.

It is an arithmetic number, because the mean of its divisors is an integer number (24445704778).

Almost surely, 2^97521367351 is an apocalyptic number.

97521367351 is a deficient number, since it is larger than the sum of its proper divisors (261451761).

97521367351 is a wasteful number, since it uses less digits than its factorization.

97521367351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261451760.

The product of its digits is 1190700, while the sum is 49.

The spelling of 97521367351 in words is "ninety-seven billion, five hundred twenty-one million, three hundred sixty-seven thousand, three hundred fifty-one".