5581393 has 2 divisors, whose sum is σ = 5581394. Its totient is φ = 5581392.

The previous prime is 5581379. The next prime is 5581397. The reversal of 5581393 is 3931855.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5414929 + 166464 = 2327^2 + 408^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5581393 is a prime.

5581393 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (5581397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2790696 + 2790697.

It is an arithmetic number, because the mean of its divisors is an integer number (2790697).

Almost surely, 2^5581393 is an apocalyptic number.

It is an amenable number.

5581393 is a deficient number, since it is larger than the sum of its proper divisors (1).

5581393 is an equidigital number, since it uses as much as digits as its factorization.

5581393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 34.

The square root of 5581393 is about 2362.4971957655. The cubic root of 5581393 is about 177.3839008026.

The spelling of 5581393 in words is "five million, five hundred eighty-one thousand, three hundred ninety-three".