974581 has 2 divisors, whose sum is σ = 974582. Its totient is φ = 974580.

The previous prime is 974563. The next prime is 974591. The reversal of 974581 is 185479.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 970225 + 4356 = 985^2 + 66^2 .

It is a cyclic number.

It is not a de Polignac number, because 974581 - 2¹¹ = 972533 is a prime.

It is a super-2 number, since 2×974581² = 1899616251122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (974531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487290 + 487291.

It is an arithmetic number, because the mean of its divisors is an integer number (487291).

2⁹⁷⁴⁵⁸¹ is an apocalyptic number.

It is an amenable number.

974581 is a deficient number, since it is larger than the sum of its proper divisors (1).

974581 is an equidigital number, since it uses as much as digits as its factorization.

974581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 34.

The square root of 974581 is about 987.2086912097. The cubic root of 974581 is about 99.1454176945.

The spelling of 974581 in words is "nine hundred seventy-four thousand, five hundred eighty-one".