973963501 has 4 divisors (see below), whose sum is σ = 1113101152. Its totient is φ = 834825852.

The previous prime is 973963453. The next prime is 973963513. The reversal of 973963501 is 105369379.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 973963501 - 2⁹ = 973962989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (973964501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69568815 + ... + 69568828.

It is an arithmetic number, because the mean of its divisors is an integer number (278275288).

Almost surely, 2^973963501 is an apocalyptic number.

It is an amenable number.

973963501 is a deficient number, since it is larger than the sum of its proper divisors (139137651).

973963501 is a wasteful number, since it uses less digits than its factorization.

973963501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139137650.

The product of its (nonzero) digits is 153090, while the sum is 43.

The square root of 973963501 is about 31208.3883114781. The cubic root of 973963501 is about 991.2447360640.

The spelling of 973963501 in words is "nine hundred seventy-three million, nine hundred sixty-three thousand, five hundred one".