5581403 has 2 divisors, whose sum is σ = 5581404. Its totient is φ = 5581402.

The previous prime is 5581397. The next prime is 5581447. The reversal of 5581403 is 3041855.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5581403 - 2¹⁴ = 5565019 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5581463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2790701 + 2790702.

It is an arithmetic number, because the mean of its divisors is an integer number (2790702).

Almost surely, 2^5581403 is an apocalyptic number.

5581403 is a deficient number, since it is larger than the sum of its proper divisors (1).

5581403 is an equidigital number, since it uses as much as digits as its factorization.

5581403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 5581403 is about 2362.4993121692. The cubic root of 5581403 is about 177.3840067402.

The spelling of 5581403 in words is "five million, five hundred eighty-one thousand, four hundred three".