2419621 has 2 divisors, whose sum is σ = 2419622. Its totient is φ = 2419620.

The previous prime is 2419619. The next prime is 2419639. The reversal of 2419621 is 1269142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2217121 + 202500 = 1489^2 + 450^2 .

It is a cyclic number.

It is not a de Polignac number, because 2419621 - 2¹ = 2419619 is a prime.

Together with 2419619, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2419601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1209810 + 1209811.

It is an arithmetic number, because the mean of its divisors is an integer number (1209811).

2^2419621 is an apocalyptic number.

It is an amenable number.

2419621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2419621 is an equidigital number, since it uses as much as digits as its factorization.

2419621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 25.

The square root of 2419621 is about 1555.5130986269. The cubic root of 2419621 is about 134.2504597681.

The spelling of 2419621 in words is "two million, four hundred nineteen thousand, six hundred twenty-one".