10581409 has 2 divisors, whose sum is σ = 10581410. Its totient is φ = 10581408.

The previous prime is 10581391. The next prime is 10581413. The reversal of 10581409 is 90418501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9941409 + 640000 = 3153^2 + 800^2 .

It is a cyclic number.

It is not a de Polignac number, because 10581409 - 2⁷ = 10581281 is a prime.

It is a super-2 number, since 2×10581409² = 223932432850562, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10581479) 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 as a sum of consecutive naturals, namely, 5290704 + 5290705.

It is an arithmetic number, because the mean of its divisors is an integer number (5290705).

Almost surely, 2^10581409 is an apocalyptic number.

It is an amenable number.

10581409 is a deficient number, since it is larger than the sum of its proper divisors (1).

10581409 is an equidigital number, since it uses as much as digits as its factorization.

10581409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 10581409 is about 3252.9077761289. The cubic root of 10581409 is about 219.5404249240.

The spelling of 10581409 in words is "ten million, five hundred eighty-one thousand, four hundred nine".