531370 has 16 divisors (see below), whose sum is σ = 1093248. Its totient is φ = 182160.

The previous prime is 531359. The next prime is 531383. The reversal of 531370 is 73135.

531370 = 63² + 64² + ... + 122².

It is a nialpdrome in base 9 and base 14.

It is a zygodrome in base 9.

It is an unprimeable number.

531370 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, 3726 + ... + 3865.

It is an arithmetic number, because the mean of its divisors is an integer number (68328).

2⁵³¹³⁷⁰ is an apocalyptic number.

531370 is an abundant number, since it is smaller than the sum of its proper divisors (561878).

It is a weird number, because it is abundant, but not a pseudoperfect number.

531370 is a wasteful number, since it uses less digits than its factorization.

531370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7605.

The product of its (nonzero) digits is 315, while the sum is 19.

The square root of 531370 is about 728.9513015284. The cubic root of 531370 is about 80.9963926656.

It can be divided in two parts, 5 and 31370, that added together give a triangular number (31375 = T₂₅₀).

The spelling of 531370 in words is "five hundred thirty-one thousand, three hundred seventy".