2426621 has 2 divisors, whose sum is σ = 2426622. Its totient is φ = 2426620.

The previous prime is 2426617. The next prime is 2426639. The reversal of 2426621 is 1266242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1768900 + 657721 = 1330^2 + 811^2 .

It is a cyclic number.

It is not a de Polignac number, because 2426621 - 2² = 2426617 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 (2426651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1213310 + 1213311.

It is an arithmetic number, because the mean of its divisors is an integer number (1213311).

2^2426621 is an apocalyptic number.

It is an amenable number.

2426621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2426621 is an equidigital number, since it uses as much as digits as its factorization.

2426621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

The square root of 2426621 is about 1557.7615350239. The cubic root of 2426621 is about 134.3797979898.

The spelling of 2426621 in words is "two million, four hundred twenty-six thousand, six hundred twenty-one".