5690621 has 2 divisors, whose sum is σ = 5690622. Its totient is φ = 5690620.

The previous prime is 5690617. The next prime is 5690623. The reversal of 5690621 is 1260965.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4778596 + 912025 = 2186^2 + 955^2 .

It is a cyclic number.

It is not a de Polignac number, because 5690621 - 2² = 5690617 is a prime.

Together with 5690623, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5690623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2845310 + 2845311.

It is an arithmetic number, because the mean of its divisors is an integer number (2845311).

Almost surely, 2^5690621 is an apocalyptic number.

It is an amenable number.

5690621 is a deficient number, since it is larger than the sum of its proper divisors (1).

5690621 is an equidigital number, since it uses as much as digits as its factorization.

5690621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 5690621 is about 2385.5022531953. The cubic root of 5690621 is about 178.5335692082.

The spelling of 5690621 in words is "five million, six hundred ninety thousand, six hundred twenty-one".