5627621 has 2 divisors, whose sum is σ = 5627622. Its totient is φ = 5627620.

The previous prime is 5627603. The next prime is 5627627. The reversal of 5627621 is 1267265.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5152900 + 474721 = 2270^2 + 689^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5627621 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5627627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2813810 + 2813811.

It is an arithmetic number, because the mean of its divisors is an integer number (2813811).

Almost surely, 2^5627621 is an apocalyptic number.

It is an amenable number.

5627621 is a deficient number, since it is larger than the sum of its proper divisors (1).

5627621 is an equidigital number, since it uses as much as digits as its factorization.

5627621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 5627621 is about 2372.2607360912. The cubic root of 5627621 is about 177.8722835052.

The spelling of 5627621 in words is "five million, six hundred twenty-seven thousand, six hundred twenty-one".