2656453 has 2 divisors, whose sum is σ = 2656454. Its totient is φ = 2656452.

The previous prime is 2656441. The next prime is 2656457. The reversal of 2656453 is 3546562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2184484 + 471969 = 1478^2 + 687^2 .

It is a cyclic number.

It is not a de Polignac number, because 2656453 - 2⁹ = 2655941 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 6³ + 5³ + 6⁴ + 4⁴ + 5⁹ + 3¹¹ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2656457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328226 + 1328227.

It is an arithmetic number, because the mean of its divisors is an integer number (1328227).

2^2656453 is an apocalyptic number.

It is an amenable number.

2656453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656453 is an equidigital number, since it uses as much as digits as its factorization.

2656453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 31.

The square root of 2656453 is about 1629.8628776679. The cubic root of 2656453 is about 138.4949843310.

The spelling of 2656453 in words is "two million, six hundred fifty-six thousand, four hundred fifty-three".