1008531 has 10 divisors (see below), whose sum is σ = 1506692. Its totient is φ = 672300.

The previous prime is 1008517. The next prime is 1008541. The reversal of 1008531 is 1358001.

It is a happy number.

It is not a de Polignac number, because 1008531 - 2⁵ = 1008499 is a prime.

It is a super-2 number, since 2×1008531² = 2034269555922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1008541) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6145 + ... + 6306.

2^1008531 is an apocalyptic number.

1008531 is a deficient number, since it is larger than the sum of its proper divisors (498161).

1008531 is an equidigital number, since it uses as much as digits as its factorization.

1008531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12463 (or 12454 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1008531 is about 1004.2564413535. The cubic root of 1008531 is about 100.2835618335.

The spelling of 1008531 in words is "one million, eight thousand, five hundred thirty-one".