255448933 has 2 divisors, whose sum is σ = 255448934. Its totient is φ = 255448932.

The previous prime is 255448927. The next prime is 255448969. The reversal of 255448933 is 339844552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214271044 + 41177889 = 14638^2 + 6417^2 .

It is a cyclic number.

It is not a de Polignac number, because 255448933 - 2¹³ = 255440741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255448933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255448033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127724466 + 127724467.

It is an arithmetic number, because the mean of its divisors is an integer number (127724467).

Almost surely, 2^255448933 is an apocalyptic number.

It is an amenable number.

255448933 is a deficient number, since it is larger than the sum of its proper divisors (1).

255448933 is an equidigital number, since it uses as much as digits as its factorization.

255448933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 518400, while the sum is 43.

The square root of 255448933 is about 15982.7698788414. The cubic root of 255448933 is about 634.5044870574.

The spelling of 255448933 in words is "two hundred fifty-five million, four hundred forty-eight thousand, nine hundred thirty-three".