255790133 has 2 divisors, whose sum is σ = 255790134. Its totient is φ = 255790132.

The previous prime is 255790099. The next prime is 255790151. The reversal of 255790133 is 331097552.

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., 168143089 + 87647044 = 12967^2 + 9362^2 .

It is a cyclic number.

It is not a de Polignac number, because 255790133 - 2²² = 251595829 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 255790093 and 255790102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255790033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127895066 + 127895067.

It is an arithmetic number, because the mean of its divisors is an integer number (127895067).

Almost surely, 2^255790133 is an apocalyptic number.

It is an amenable number.

255790133 is a deficient number, since it is larger than the sum of its proper divisors (1).

255790133 is an equidigital number, since it uses as much as digits as its factorization.

255790133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28350, while the sum is 35.

The square root of 255790133 is about 15993.4403115777. The cubic root of 255790133 is about 634.7868613216.

The spelling of 255790133 in words is "two hundred fifty-five million, seven hundred ninety thousand, one hundred thirty-three".