1255963 has 2 divisors, whose sum is σ = 1255964. Its totient is φ = 1255962.

The previous prime is 1255949. The next prime is 1255967. The reversal of 1255963 is 3695521.

It is a strong prime.

It is an emirp because it is prime and its reverse (3695521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1255963 - 2⁵ = 1255931 is a prime.

It is not a weakly prime, because it can be changed into another prime (1255967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627981 + 627982.

It is an arithmetic number, because the mean of its divisors is an integer number (627982).

2^1255963 is an apocalyptic number.

1255963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255963 is an equidigital number, since it uses as much as digits as its factorization.

1255963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8100, while the sum is 31.

The square root of 1255963 is about 1120.6975506353. The cubic root of 1255963 is about 107.8927547649.

The spelling of 1255963 in words is "one million, two hundred fifty-five thousand, nine hundred sixty-three".