974557 has 2 divisors, whose sum is σ = 974558. Its totient is φ = 974556.

The previous prime is 974551. The next prime is 974563. The reversal of 974557 is 755479.

It is a balanced prime because it is at equal distance from previous prime (974551) and next prime (974563).

It can be written as a sum of positive squares in only one way, i.e., 763876 + 210681 = 874^2 + 459^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-974557 is a prime.

It is a super-2 number, since 2×974557² = 1899522692498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (974551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487278 + 487279.

It is an arithmetic number, because the mean of its divisors is an integer number (487279).

2⁹⁷⁴⁵⁵⁷ is an apocalyptic number.

It is an amenable number.

974557 is a deficient number, since it is larger than the sum of its proper divisors (1).

974557 is an equidigital number, since it uses as much as digits as its factorization.

974557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44100, while the sum is 37.

The square root of 974557 is about 987.1965356503. The cubic root of 974557 is about 99.1446038372.

The spelling of 974557 in words is "nine hundred seventy-four thousand, five hundred fifty-seven".