573431 has 4 divisors (see below), whose sum is σ = 574992. Its totient is φ = 571872.

The previous prime is 573409. The next prime is 573437. The reversal of 573431 is 134375.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-573431 is a prime.

It is a super-2 number, since 2×573431² = 657646223522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 573397 and 573406.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 573431.

It is not an unprimeable number, because it can be changed into a prime (573437) 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, 110 + ... + 1076.

It is an arithmetic number, because the mean of its divisors is an integer number (143748).

2⁵⁷³⁴³¹ is an apocalyptic number.

573431 is a deficient number, since it is larger than the sum of its proper divisors (1561).

573431 is an equidigital number, since it uses as much as digits as its factorization.

573431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560.

The product of its digits is 1260, while the sum is 23.

The square root of 573431 is about 757.2522697226. The cubic root of 573431 is about 83.0794709878.

The spelling of 573431 in words is "five hundred seventy-three thousand, four hundred thirty-one".