2253649 has 2 divisors, whose sum is σ = 2253650. Its totient is φ = 2253648.

The previous prime is 2253637. The next prime is 2253653. The reversal of 2253649 is 9463522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1140624 + 1113025 = 1068^2 + 1055^2 .

It is a cyclic number.

It is not a de Polignac number, because 2253649 - 2⁵ = 2253617 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2⁷ + 2⁹ + 5⁹ + 3⁹ + 6⁷ + 4⁴ + 9 .

It is a self number, because there is not a number n which added to its sum of digits gives 2253649.

It is not a weakly prime, because it can be changed into another prime (2253659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1126824 + 1126825.

It is an arithmetic number, because the mean of its divisors is an integer number (1126825).

2^2253649 is an apocalyptic number.

It is an amenable number.

2253649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2253649 is an equidigital number, since it uses as much as digits as its factorization.

2253649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 31.

The square root of 2253649 is about 1501.2158405772. The cubic root of 2253649 is about 131.1078691198.

The spelling of 2253649 in words is "two million, two hundred fifty-three thousand, six hundred forty-nine".