973133497 has 4 divisors (see below), whose sum is σ = 1112152576. Its totient is φ = 834114420.

The previous prime is 973133479. The next prime is 973133503. The reversal of 973133497 is 794331379.

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, and also an emirpimes, since its reverse is a distinct semiprime: 794331379 = 2719 ⋅292141.

It is a cyclic number.

It is not a de Polignac number, because 973133497 - 2¹⁵ = 973100729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (973133407) 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, 69509529 + ... + 69509542.

It is an arithmetic number, because the mean of its divisors is an integer number (278038144).

Almost surely, 2^973133497 is an apocalyptic number.

It is an amenable number.

973133497 is a deficient number, since it is larger than the sum of its proper divisors (139019079).

973133497 is a wasteful number, since it uses less digits than its factorization.

973133497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139019078.

The product of its digits is 428652, while the sum is 46.

The square root of 973133497 is about 31195.0877062399. The cubic root of 973133497 is about 990.9630790629.

The spelling of 973133497 in words is "nine hundred seventy-three million, one hundred thirty-three thousand, four hundred ninety-seven".