574561 has 8 divisors (see below), whose sum is σ = 624680. Its totient is φ = 525312.

The previous prime is 574547. The next prime is 574597. The reversal of 574561 is 165475.

It can be written as a sum of positive squares in 4 ways, for example, as 57600 + 516961 = 240^2 + 719^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 2-Lehmer number, since φ(574561) divides (574561-1)².

It is a cyclic number.

It is not a de Polignac number, because 574561 - 2⁵ = 574529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (574501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2395 + ... + 2623.

It is an arithmetic number, because the mean of its divisors is an integer number (78085).

It is a Poulet number, since it divides 2⁵⁷⁴⁵⁶⁰-1.

2⁵⁷⁴⁵⁶¹ is an apocalyptic number.

It is an amenable number.

574561 is a deficient number, since it is larger than the sum of its proper divisors (50119).

574561 is a wasteful number, since it uses less digits than its factorization.

574561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435.

The product of its digits is 4200, while the sum is 28.

The square root of 574561 is about 757.9980211056. The cubic root of 574561 is about 83.1340071646.

The spelling of 574561 in words is "five hundred seventy-four thousand, five hundred sixty-one".