531070 has 16 divisors (see below), whose sum is σ = 997920. Its totient is φ = 203104.

The previous prime is 531043. The next prime is 531071. The reversal of 531070 is 70135.

531070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531071) by changing a digit.

531070 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925 + ... + 1384.

It is an arithmetic number, because the mean of its divisors is an integer number (62370).

2⁵³¹⁰⁷⁰ is an apocalyptic number.

531070 is a deficient number, since it is larger than the sum of its proper divisors (466850).

531070 is a wasteful number, since it uses less digits than its factorization.

531070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339.

The product of its (nonzero) digits is 105, while the sum is 16.

The square root of 531070 is about 728.7454974132. The cubic root of 531070 is about 80.9811468595.

Subtracting from 531070 its product of nonzero digits (105), we obtain a triangular number (530965 = T₁₀₃₀).

The spelling of 531070 in words is "five hundred thirty-one thousand, seventy".