5621983 has 2 divisors, whose sum is σ = 5621984. Its totient is φ = 5621982.

The previous prime is 5621953. The next prime is 5621989. The reversal of 5621983 is 3891265.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5621983 - 2⁹ = 5621471 is a prime.

5621983 is a lucky number.

It is equal to p₃₈₈₅₉₁ and since 5621983 and 388591 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5621989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2810991 + 2810992.

It is an arithmetic number, because the mean of its divisors is an integer number (2810992).

Almost surely, 2^5621983 is an apocalyptic number.

5621983 is a deficient number, since it is larger than the sum of its proper divisors (1).

5621983 is an equidigital number, since it uses as much as digits as its factorization.

5621983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 34.

The square root of 5621983 is about 2371.0721203709. The cubic root of 5621983 is about 177.8128635468.

The spelling of 5621983 in words is "five million, six hundred twenty-one thousand, nine hundred eighty-three".