10085531 has 4 divisors (see below), whose sum is σ = 10110600. Its totient is φ = 10060464.

The previous prime is 10085513. The next prime is 10085567. The reversal of 10085531 is 13558001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10085531 - 2¹⁰ = 10084507 is a prime.

It is a super-2 number, since 2×10085531² = 203435871103922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10085497 and 10085506.

It is not an unprimeable number, because it can be changed into a prime (10085731) 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 3 ways as a sum of consecutive naturals, for example, 11921 + ... + 12738.

It is an arithmetic number, because the mean of its divisors is an integer number (2527650).

Almost surely, 2^10085531 is an apocalyptic number.

10085531 is a deficient number, since it is larger than the sum of its proper divisors (25069).

10085531 is an equidigital number, since it uses as much as digits as its factorization.

10085531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25068.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 10085531 is about 3175.7725044468. The cubic root of 10085531 is about 216.0559625801.

The spelling of 10085531 in words is "ten million, eighty-five thousand, five hundred thirty-one".