874531 has 8 divisors (see below), whose sum is σ = 1058400. Its totient is φ = 705408.

The previous prime is 874487. The next prime is 874537. The reversal of 874531 is 135478.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 874531 - 2⁷ = 874403 is a prime.

It is a super-2 number, since 2×874531² = 1529608939922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 874531.

It is not an unprimeable number, because it can be changed into a prime (874537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3556 + ... + 3793.

It is an arithmetic number, because the mean of its divisors is an integer number (132300).

2⁸⁷⁴⁵³¹ is an apocalyptic number.

874531 is a deficient number, since it is larger than the sum of its proper divisors (183869).

874531 is a wasteful number, since it uses less digits than its factorization.

874531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7373.

The product of its digits is 3360, while the sum is 28.

The square root of 874531 is about 935.1636220470. The cubic root of 874531 is about 95.6294672326.

Subtracting from 874531 its sum of digits (28), we obtain a triangular number (874503 = T₁₃₂₂).

The spelling of 874531 in words is "eight hundred seventy-four thousand, five hundred thirty-one".