5575621 has 2 divisors, whose sum is σ = 5575622. Its totient is φ = 5575620.

The previous prime is 5575613. The next prime is 5575639. The reversal of 5575621 is 1265755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5013121 + 562500 = 2239^2 + 750^2 .

It is a cyclic number.

It is not a de Polignac number, because 5575621 - 2³ = 5575613 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 (5575601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2787810 + 2787811.

It is an arithmetic number, because the mean of its divisors is an integer number (2787811).

Almost surely, 2^5575621 is an apocalyptic number.

It is an amenable number.

5575621 is a deficient number, since it is larger than the sum of its proper divisors (1).

5575621 is an equidigital number, since it uses as much as digits as its factorization.

5575621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10500, while the sum is 31.

The square root of 5575621 is about 2361.2752910239. The cubic root of 5575621 is about 177.3227324993.

The spelling of 5575621 in words is "five million, five hundred seventy-five thousand, six hundred twenty-one".