976531 has 12 divisors (see below), whose sum is σ = 1080640. Its totient is φ = 881280.

The previous prime is 976513. The next prime is 976537. The reversal of 976531 is 135679.

It is not a de Polignac number, because 976531 - 2⁷ = 976403 is a prime.

It is a super-2 number, since 2×976531² = 1907225587922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a nialpdrome in base 5 and base 10.

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 976493 and 976502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (976537) 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, 8905 + ... + 9013.

2⁹⁷⁶⁵³¹ is an apocalyptic number.

976531 is a deficient number, since it is larger than the sum of its proper divisors (104109).

976531 is a wasteful number, since it uses less digits than its factorization.

976531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 157 counting only the distinct ones).

The product of its digits is 5670, while the sum is 31.

The square root of 976531 is about 988.1958307947. The cubic root of 976531 is about 99.2114990030.

The spelling of 976531 in words is "nine hundred seventy-six thousand, five hundred thirty-one".