10881593 has 2 divisors, whose sum is σ = 10881594. Its totient is φ = 10881592.

The previous prime is 10881569. The next prime is 10881613. The reversal of 10881593 is 39518801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5513104 + 5368489 = 2348^2 + 2317^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10881593 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10881503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5440796 + 5440797.

It is an arithmetic number, because the mean of its divisors is an integer number (5440797).

Almost surely, 2^10881593 is an apocalyptic number.

It is an amenable number.

10881593 is a deficient number, since it is larger than the sum of its proper divisors (1).

10881593 is an equidigital number, since it uses as much as digits as its factorization.

10881593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 10881593 is about 3298.7259661876. The cubic root of 10881593 is about 221.5971442959.

The spelling of 10881593 in words is "ten million, eight hundred eighty-one thousand, five hundred ninety-three".