969531 has 8 divisors (see below), whose sum is σ = 1303104. Its totient is φ = 641160.

The previous prime is 969509. The next prime is 969533. The reversal of 969531 is 135969.

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

It is not a de Polignac number, because 969531 - 2⁶ = 969467 is a prime.

It is a super-2 number, since 2×969531² = 1879980719922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 969492 and 969501.

It is not an unprimeable number, because it can be changed into a prime (969533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 841 + ... + 1626.

It is an arithmetic number, because the mean of its divisors is an integer number (162888).

2⁹⁶⁹⁵³¹ is an apocalyptic number.

969531 is a deficient number, since it is larger than the sum of its proper divisors (333573).

969531 is a wasteful number, since it uses less digits than its factorization.

969531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601.

The product of its digits is 7290, while the sum is 33.

The square root of 969531 is about 984.6476527164. The cubic root of 969531 is about 98.9738733219.

The spelling of 969531 in words is "nine hundred sixty-nine thousand, five hundred thirty-one".