255152489 has 2 divisors, whose sum is σ = 255152490. Its totient is φ = 255152488.

The previous prime is 255152479. The next prime is 255152509. The reversal of 255152489 is 984251552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 253064464 + 2088025 = 15908^2 + 1445^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255152489 is a prime.

It is not a weakly prime, because it can be changed into another prime (255152459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127576244 + 127576245.

It is an arithmetic number, because the mean of its divisors is an integer number (127576245).

Almost surely, 2^255152489 is an apocalyptic number.

It is an amenable number.

255152489 is a deficient number, since it is larger than the sum of its proper divisors (1).

255152489 is an equidigital number, since it uses as much as digits as its factorization.

255152489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144000, while the sum is 41.

The square root of 255152489 is about 15973.4933248804. The cubic root of 255152489 is about 634.2589482808.

The spelling of 255152489 in words is "two hundred fifty-five million, one hundred fifty-two thousand, four hundred eighty-nine".