255712073 has 2 divisors, whose sum is σ = 255712074. Its totient is φ = 255712072.

The previous prime is 255712063. The next prime is 255712097. The reversal of 255712073 is 370217552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173501584 + 82210489 = 13172^2 + 9067^2 .

It is a cyclic number.

It is not a de Polignac number, because 255712073 - 2²⁶ = 188603209 is a prime.

It is not a weakly prime, because it can be changed into another prime (255712003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127856036 + 127856037.

It is an arithmetic number, because the mean of its divisors is an integer number (127856037).

Almost surely, 2^255712073 is an apocalyptic number.

It is an amenable number.

255712073 is a deficient number, since it is larger than the sum of its proper divisors (1).

255712073 is an equidigital number, since it uses as much as digits as its factorization.

255712073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 255712073 is about 15990.9997498593. Note that the first 3 decimals coincide. The cubic root of 255712073 is about 634.7222816819.

The spelling of 255712073 in words is "two hundred fifty-five million, seven hundred twelve thousand, seventy-three".