975577 has 4 divisors (see below), whose sum is σ = 982836. Its totient is φ = 968320.

The previous prime is 975553. The next prime is 975581. The reversal of 975577 is 775579.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 234256 + 741321 = 484^2 + 861^2 .

It is a cyclic number.

It is not a de Polignac number, because 975577 - 2¹¹ = 973529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (975277) 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, 3424 + ... + 3697.

It is an arithmetic number, because the mean of its divisors is an integer number (245709).

2⁹⁷⁵⁵⁷⁷ is an apocalyptic number.

It is an amenable number.

975577 is a deficient number, since it is larger than the sum of its proper divisors (7259).

975577 is a wasteful number, since it uses less digits than its factorization.

975577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7258.

The product of its digits is 77175, while the sum is 40.

The square root of 975577 is about 987.7130149998. The cubic root of 975577 is about 99.1791809957.

The spelling of 975577 in words is "nine hundred seventy-five thousand, five hundred seventy-seven".