531575 has 12 divisors (see below), whose sum is σ = 719448. Its totient is φ = 386400.

The previous prime is 531571. The next prime is 531581. The reversal of 531575 is 575135.

531575 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 531575 - 2² = 531571 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531571) 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, 692 + ... + 1241.

It is an arithmetic number, because the mean of its divisors is an integer number (59954).

2⁵³¹⁵⁷⁵ is an apocalyptic number.

531575 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

531575 is a deficient number, since it is larger than the sum of its proper divisors (187873).

531575 is a wasteful number, since it uses less digits than its factorization.

531575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954 (or 1949 counting only the distinct ones).

The product of its digits is 2625, while the sum is 26.

The square root of 531575 is about 729.0919009288. The cubic root of 531575 is about 81.0068073332.

The spelling of 531575 in words is "five hundred thirty-one thousand, five hundred seventy-five".