531373 has 4 divisors (see below), whose sum is σ = 559360. Its totient is φ = 503388.

The previous prime is 531359. The next prime is 531383. The reversal of 531373 is 373135.

531373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 531373 - 2⁹ = 530861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531343) 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, 13965 + ... + 14002.

It is an arithmetic number, because the mean of its divisors is an integer number (139840).

2⁵³¹³⁷³ is an apocalyptic number.

It is an amenable number.

531373 is a deficient number, since it is larger than the sum of its proper divisors (27987).

531373 is a wasteful number, since it uses less digits than its factorization.

531373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27986.

The product of its digits is 945, while the sum is 22.

The square root of 531373 is about 728.9533592762. The cubic root of 531373 is about 80.9965450947.

The spelling of 531373 in words is "five hundred thirty-one thousand, three hundred seventy-three".