972597 has 4 divisors (see below), whose sum is σ = 1296800. Its totient is φ = 648396.

The previous prime is 972581. The next prime is 972599. The reversal of 972597 is 795279.

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: 795279 = 3 ⋅265093.

It is not a de Polignac number, because 972597 - 2⁴ = 972581 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162097 + ... + 162102.

It is an arithmetic number, because the mean of its divisors is an integer number (324200).

2⁹⁷²⁵⁹⁷ is an apocalyptic number.

It is an amenable number.

972597 is a deficient number, since it is larger than the sum of its proper divisors (324203).

972597 is a wasteful number, since it uses less digits than its factorization.

972597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324202.

The product of its digits is 39690, while the sum is 39.

The square root of 972597 is about 986.2033258918. The cubic root of 972597 is about 99.0780936718.

The spelling of 972597 in words is "nine hundred seventy-two thousand, five hundred ninety-seven".