975613 has 4 divisors (see below), whose sum is σ = 1033020. Its totient is φ = 918208.

The previous prime is 975599. The next prime is 975619. The reversal of 975613 is 316579.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 316579 = 197 ⋅1607.

It can be written as a sum of positive squares in 2 ways, for example, as 727609 + 248004 = 853^2 + 498^2 .

It is a cyclic number.

It is not a de Polignac number, because 975613 - 2⁵ = 975581 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 (975619) 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, 28678 + ... + 28711.

It is an arithmetic number, because the mean of its divisors is an integer number (258255).

2⁹⁷⁵⁶¹³ is an apocalyptic number.

It is an amenable number.

975613 is a deficient number, since it is larger than the sum of its proper divisors (57407).

975613 is a wasteful number, since it uses less digits than its factorization.

975613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57406.

The product of its digits is 5670, while the sum is 31.

The square root of 975613 is about 987.7312387487. The cubic root of 975613 is about 99.1804009256.

The spelling of 975613 in words is "nine hundred seventy-five thousand, six hundred thirteen".