10081569 has 4 divisors (see below), whose sum is σ = 13442096. Its totient is φ = 6721044.

The previous prime is 10081549. The next prime is 10081583. The reversal of 10081569 is 96518001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 10081569 - 2²⁰ = 9032993 is a prime.

It is a super-2 number, since 2×10081569² = 203276067003522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10081529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1680259 + ... + 1680264.

It is an arithmetic number, because the mean of its divisors is an integer number (3360524).

Almost surely, 2^10081569 is an apocalyptic number.

It is an amenable number.

10081569 is a deficient number, since it is larger than the sum of its proper divisors (3360527).

10081569 is an equidigital number, since it uses as much as digits as its factorization.

10081569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3360526.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 10081569 is about 3175.1486579371. The cubic root of 10081569 is about 216.0276670664.

The spelling of 10081569 in words is "ten million, eighty-one thousand, five hundred sixty-nine".