10089581 has 2 divisors, whose sum is σ = 10089582. Its totient is φ = 10089580.

The previous prime is 10089553. The next prime is 10089623. The reversal of 10089581 is 18598001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9796900 + 292681 = 3130^2 + 541^2 .

It is an emirp because it is prime and its reverse (18598001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10089581 - 2¹⁰ = 10088557 is a prime.

It is a super-2 number, since 2×10089581² = 203599289511122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10089481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5044790 + 5044791.

It is an arithmetic number, because the mean of its divisors is an integer number (5044791).

Almost surely, 2^10089581 is an apocalyptic number.

It is an amenable number.

10089581 is a deficient number, since it is larger than the sum of its proper divisors (1).

10089581 is an equidigital number, since it uses as much as digits as its factorization.

10089581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 10089581 is about 3176.4100805784. The cubic root of 10089581 is about 216.0848789075.

The spelling of 10089581 in words is "ten million, eighty-nine thousand, five hundred eighty-one".