255133013 has 2 divisors, whose sum is σ = 255133014. Its totient is φ = 255133012.

The previous prime is 255133009. The next prime is 255133057. The reversal of 255133013 is 310331552.

255133013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235223569 + 19909444 = 15337^2 + 4462^2 .

It is a cyclic number.

It is not a de Polignac number, because 255133013 - 2² = 255133009 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 255133013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255133313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127566506 + 127566507.

It is an arithmetic number, because the mean of its divisors is an integer number (127566507).

Almost surely, 2^255133013 is an apocalyptic number.

It is an amenable number.

255133013 is a deficient number, since it is larger than the sum of its proper divisors (1).

255133013 is an equidigital number, since it uses as much as digits as its factorization.

255133013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 255133013 is about 15972.8836782843. The cubic root of 255133013 is about 634.2428100339.

Adding to 255133013 its reverse (310331552), we get a palindrome (565464565).

The spelling of 255133013 in words is "two hundred fifty-five million, one hundred thirty-three thousand, thirteen".