255800453 has 2 divisors, whose sum is σ = 255800454. Its totient is φ = 255800452.

The previous prime is 255800443. The next prime is 255800483. The reversal of 255800453 is 354008552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 175483009 + 80317444 = 13247^2 + 8962^2 .

It is a cyclic number.

It is not a de Polignac number, because 255800453 - 2¹⁰ = 255799429 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255800443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127900226 + 127900227.

It is an arithmetic number, because the mean of its divisors is an integer number (127900227).

Almost surely, 2^255800453 is an apocalyptic number.

It is an amenable number.

255800453 is a deficient number, since it is larger than the sum of its proper divisors (1).

255800453 is an equidigital number, since it uses as much as digits as its factorization.

255800453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 255800453 is about 15993.7629405966. The cubic root of 255800453 is about 634.7953981537.

The spelling of 255800453 in words is "two hundred fifty-five million, eight hundred thousand, four hundred fifty-three".