2619641 has 2 divisors, whose sum is σ = 2619642. Its totient is φ = 2619640.

The previous prime is 2619611. The next prime is 2619647. The reversal of 2619641 is 1469162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2042041 + 577600 = 1429^2 + 760^2 .

It is a cyclic number.

It is not a de Polignac number, because 2619641 - 2¹⁰ = 2618617 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2619647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1309820 + 1309821.

It is an arithmetic number, because the mean of its divisors is an integer number (1309821).

2^2619641 is an apocalyptic number.

It is an amenable number.

2619641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2619641 is an equidigital number, since it uses as much as digits as its factorization.

2619641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 29.

The square root of 2619641 is about 1618.5305063545. The cubic root of 2619641 is about 137.8522713749.

The spelling of 2619641 in words is "two million, six hundred nineteen thousand, six hundred forty-one".