2654209 has 2 divisors, whose sum is σ = 2654210. Its totient is φ = 2654208.

The previous prime is 2654161. The next prime is 2654213. The reversal of 2654209 is 9024562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1849600 + 804609 = 1360^2 + 897^2 .

It is a cyclic number.

It is not a de Polignac number, because 2654209 - 2⁹ = 2653697 is a prime.

It is not a weakly prime, because it can be changed into another prime (2654609) by changing a digit.

It is a Pierpont prime, being equal to 2¹⁵ ⋅ 3⁴ + 1.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1327104 + 1327105.

It is an arithmetic number, because the mean of its divisors is an integer number (1327105).

It is a Proth number, since it is equal to 81 ⋅ 2¹⁵ + 1 and 81 < 2¹⁵.

2^2654209 is an apocalyptic number.

It is an amenable number.

2654209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2654209 is an equidigital number, since it uses as much as digits as its factorization.

2654209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2654209 is about 1629.1743307578. The cubic root of 2654209 is about 138.4559761377.

The spelling of 2654209 in words is "two million, six hundred fifty-four thousand, two hundred nine".