255262493 has 2 divisors, whose sum is σ = 255262494. Its totient is φ = 255262492.

The previous prime is 255262489. The next prime is 255262529. The reversal of 255262493 is 394262552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207417604 + 47844889 = 14402^2 + 6917^2 .

It is a cyclic number.

It is not a de Polignac number, because 255262493 - 2² = 255262489 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255262393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127631246 + 127631247.

It is an arithmetic number, because the mean of its divisors is an integer number (127631247).

Almost surely, 2^255262493 is an apocalyptic number.

It is an amenable number.

255262493 is a deficient number, since it is larger than the sum of its proper divisors (1).

255262493 is an equidigital number, since it uses as much as digits as its factorization.

255262493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 38.

The square root of 255262493 is about 15976.9362832803. The cubic root of 255262493 is about 634.3500846273.

The spelling of 255262493 in words is "two hundred fifty-five million, two hundred sixty-two thousand, four hundred ninety-three".