574491 has 4 divisors (see below), whose sum is σ = 765992. Its totient is φ = 382992.

The previous prime is 574489. The next prime is 574493. The reversal of 574491 is 194475.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (574489) and next prime (574493).

It is not a de Polignac number, because 574491 - 2¹ = 574489 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (574493) 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, 95746 + ... + 95751.

It is an arithmetic number, because the mean of its divisors is an integer number (191498).

2⁵⁷⁴⁴⁹¹ is an apocalyptic number.

574491 is a deficient number, since it is larger than the sum of its proper divisors (191501).

574491 is a wasteful number, since it uses less digits than its factorization.

574491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191500.

The product of its digits is 5040, while the sum is 30.

The square root of 574491 is about 757.9518454361. The cubic root of 574491 is about 83.1306308960.

The spelling of 574491 in words is "five hundred seventy-four thousand, four hundred ninety-one".