5581679 has 2 divisors, whose sum is σ = 5581680. Its totient is φ = 5581678.

The previous prime is 5581651. The next prime is 5581691. The reversal of 5581679 is 9761855.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5581679 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5581619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2790839 + 2790840.

It is an arithmetic number, because the mean of its divisors is an integer number (2790840).

Almost surely, 2^5581679 is an apocalyptic number.

5581679 is a deficient number, since it is larger than the sum of its proper divisors (1).

5581679 is an equidigital number, since it uses as much as digits as its factorization.

5581679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 41.

The square root of 5581679 is about 2362.5577241625. The cubic root of 5581679 is about 177.3869305677.

The spelling of 5581679 in words is "five million, five hundred eighty-one thousand, six hundred seventy-nine".