574987 has 4 divisors (see below), whose sum is σ = 657136. Its totient is φ = 492840.

The previous prime is 574969. The next prime is 575009. The reversal of 574987 is 789475.

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

It is a cyclic number.

It is not a de Polignac number, because 574987 - 2⁷ = 574859 is a prime.

It is a super-2 number, since 2×574987² = 661220100338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (574907) 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, 41064 + ... + 41077.

It is an arithmetic number, because the mean of its divisors is an integer number (164284).

2⁵⁷⁴⁹⁸⁷ is an apocalyptic number.

574987 is a deficient number, since it is larger than the sum of its proper divisors (82149).

574987 is an equidigital number, since it uses as much as digits as its factorization.

574987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82148.

The product of its digits is 70560, while the sum is 40.

The square root of 574987 is about 758.2789724106. The cubic root of 574987 is about 83.1545482606.

The spelling of 574987 in words is "five hundred seventy-four thousand, nine hundred eighty-seven".