2609401 has 2 divisors, whose sum is σ = 2609402. Its totient is φ = 2609400.

The previous prime is 2609377. The next prime is 2609407. The reversal of 2609401 is 1049062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1755625 + 853776 = 1325^2 + 924^2 .

It is a cyclic number.

It is not a de Polignac number, because 2609401 - 2⁹ = 2608889 is a prime.

It is not a weakly prime, because it can be changed into another prime (2609407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1304700 + 1304701.

It is an arithmetic number, because the mean of its divisors is an integer number (1304701).

2^2609401 is an apocalyptic number.

It is an amenable number.

2609401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2609401 is an equidigital number, since it uses as much as digits as its factorization.

2609401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2609401 is about 1615.3640456566. The cubic root of 2609401 is about 137.6724184159.

The spelling of 2609401 in words is "two million, six hundred nine thousand, four hundred one".