255202609 has 2 divisors, whose sum is σ = 255202610. Its totient is φ = 255202608.

The previous prime is 255202559. The next prime is 255202637. The reversal of 255202609 is 906202552.

255202609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 251698225 + 3504384 = 15865^2 + 1872^2 .

It is a cyclic number.

It is not a de Polignac number, because 255202609 - 2¹⁵ = 255169841 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (255202679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127601304 + 127601305.

It is an arithmetic number, because the mean of its divisors is an integer number (127601305).

Almost surely, 2^255202609 is an apocalyptic number.

It is an amenable number.

255202609 is a deficient number, since it is larger than the sum of its proper divisors (1).

255202609 is an equidigital number, since it uses as much as digits as its factorization.

255202609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 255202609 is about 15975.0620969059. The cubic root of 255202609 is about 634.3004750523.

The spelling of 255202609 in words is "two hundred fifty-five million, two hundred two thousand, six hundred nine".