531351 has 12 divisors (see below), whose sum is σ = 785928. Its totient is φ = 345744.

The previous prime is 531347. The next prime is 531353. The reversal of 531351 is 153135.

It is a happy number.

531351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 531351 - 2² = 531347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300 + ... + 1073.

It is an arithmetic number, because the mean of its divisors is an integer number (65494).

2⁵³¹³⁵¹ is an apocalyptic number.

531351 is a deficient number, since it is larger than the sum of its proper divisors (254577).

531351 is a wasteful number, since it uses less digits than its factorization.

531351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422 (or 1419 counting only the distinct ones).

The product of its digits is 225, while the sum is 18.

The square root of 531351 is about 728.9382689913. The cubic root of 531351 is about 80.9954272681.

Adding to 531351 its reverse (153135), we get a palindrome (684486).

The spelling of 531351 in words is "five hundred thirty-one thousand, three hundred fifty-one".