973496521 has 8 divisors (see below), whose sum is σ = 1026172800. Its totient is φ = 920964240.

The previous prime is 973496509. The next prime is 973496543. The reversal of 973496521 is 125694379.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 973496521 - 2⁹ = 973496009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (973496581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21970 + ... + 49291.

It is an arithmetic number, because the mean of its divisors is an integer number (128271600).

Almost surely, 2^973496521 is an apocalyptic number.

It is an amenable number.

973496521 is a deficient number, since it is larger than the sum of its proper divisors (52676279).

973496521 is a wasteful number, since it uses less digits than its factorization.

973496521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71999.

The product of its digits is 408240, while the sum is 46.

The square root of 973496521 is about 31200.9057721086. The cubic root of 973496521 is about 991.0862888306.

The spelling of 973496521 in words is "nine hundred seventy-three million, four hundred ninety-six thousand, five hundred twenty-one".