6244621 has 2 divisors, whose sum is σ = 6244622. Its totient is φ = 6244620.

The previous prime is 6244607. The next prime is 6244643. The reversal of 6244621 is 1264426.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6200100 + 44521 = 2490^2 + 211^2 .

It is a cyclic number.

It is not a de Polignac number, because 6244621 - 2¹¹ = 6242573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6244691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3122310 + 3122311.

It is an arithmetic number, because the mean of its divisors is an integer number (3122311).

Almost surely, 2^6244621 is an apocalyptic number.

It is an amenable number.

6244621 is a deficient number, since it is larger than the sum of its proper divisors (1).

6244621 is an equidigital number, since it uses as much as digits as its factorization.

6244621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 25.

The square root of 6244621 is about 2498.9239684312. The cubic root of 6244621 is about 184.1487160171.

The spelling of 6244621 in words is "six million, two hundred forty-four thousand, six hundred twenty-one".