574921 has 4 divisors (see below), whose sum is σ = 605200. Its totient is φ = 544644.

The previous prime is 574913. The next prime is 574933. The reversal of 574921 is 129475.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 574921 - 2³ = 574913 is a prime.

It is a Duffinian number.

574921 is a lucky number.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 574921.

It is not an unprimeable number, because it can be changed into a prime (574621) 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, 15111 + ... + 15148.

It is an arithmetic number, because the mean of its divisors is an integer number (151300).

2⁵⁷⁴⁹²¹ is an apocalyptic number.

It is an amenable number.

574921 is a deficient number, since it is larger than the sum of its proper divisors (30279).

574921 is a wasteful number, since it uses less digits than its factorization.

574921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30278.

The product of its digits is 2520, while the sum is 28.

The square root of 574921 is about 758.2354515584. The cubic root of 574921 is about 83.1513665016.

The spelling of 574921 in words is "five hundred seventy-four thousand, nine hundred twenty-one".