2555453 has 2 divisors, whose sum is σ = 2555454. Its totient is φ = 2555452.

The previous prime is 2555429. The next prime is 2555459. The reversal of 2555453 is 3545552.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2553604 + 1849 = 1598^2 + 43^2 .

It is a cyclic number.

It is not a de Polignac number, because 2555453 - 2⁸ = 2555197 is a prime.

It is a Sophie Germain prime.

It is a d-powerful number, because it can be written as 2¹⁶ + 5 + 5⁴ + 5⁴ + 4⁶ + 5⁹ + 3¹² .

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2555459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277726 + 1277727.

It is an arithmetic number, because the mean of its divisors is an integer number (1277727).

2^2555453 is an apocalyptic number.

It is an amenable number.

2555453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555453 is an equidigital number, since it uses as much as digits as its factorization.

2555453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15000, while the sum is 29.

The square root of 2555453 is about 1598.5784309817. The cubic root of 2555453 is about 136.7170354365.

Subtracting 2555453 from its reverse (3545552), we obtain a palindrome (990099).

The spelling of 2555453 in words is "two million, five hundred fifty-five thousand, four hundred fifty-three".