10466581 has 2 divisors, whose sum is σ = 10466582. Its totient is φ = 10466580.

The previous prime is 10466569. The next prime is 10466627. The reversal of 10466581 is 18566401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6502500 + 3964081 = 2550^2 + 1991^2 .

It is a cyclic number.

It is not a de Polignac number, because 10466581 - 2¹⁷ = 10335509 is a prime.

It is a super-2 number, since 2×10466581² = 219098635659122, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10466531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5233290 + 5233291.

It is an arithmetic number, because the mean of its divisors is an integer number (5233291).

Almost surely, 2^10466581 is an apocalyptic number.

It is an amenable number.

10466581 is a deficient number, since it is larger than the sum of its proper divisors (1).

10466581 is an equidigital number, since it uses as much as digits as its factorization.

10466581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 10466581 is about 3235.2095759008. The cubic root of 10466581 is about 218.7433939774.

The spelling of 10466581 in words is "ten million, four hundred sixty-six thousand, five hundred eighty-one".