10571985 has 16 divisors (see below), whose sum is σ = 18794880. Its totient is φ = 5638320.

The previous prime is 10571929. The next prime is 10571989. The reversal of 10571985 is 58917501.

10571985 is a `hidden beast` number, since 1 + 0 + 571 + 9 + 85 = 666.

It is not a de Polignac number, because 10571985 - 2¹² = 10567889 is a prime.

It is a super-2 number, since 2×10571985² = 223533733680450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10571989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39021 + ... + 39290.

It is an arithmetic number, because the mean of its divisors is an integer number (1174680).

Almost surely, 2^10571985 is an apocalyptic number.

10571985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10571985 is a deficient number, since it is larger than the sum of its proper divisors (8222895).

10571985 is an equidigital number, since it uses as much as digits as its factorization.

10571985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78325 (or 78319 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 36.

The square root of 10571985 is about 3251.4589033232. The cubic root of 10571985 is about 219.4752299679.

The spelling of 10571985 in words is "ten million, five hundred seventy-one thousand, nine hundred eighty-five".