1255000963 has 2 divisors, whose sum is σ = 1255000964. Its totient is φ = 1255000962.

The previous prime is 1255000949. The next prime is 1255000969. The reversal of 1255000963 is 3690005521.

It is a strong prime.

It is an emirp because it is prime and its reverse (3690005521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1255000963 - 2²⁹ = 718130051 is a prime.

It is not a weakly prime, because it can be changed into another prime (1255000969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627500481 + 627500482.

It is an arithmetic number, because the mean of its divisors is an integer number (627500482).

Almost surely, 2^1255000963 is an apocalyptic number.

1255000963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255000963 is an equidigital number, since it uses as much as digits as its factorization.

1255000963 is an evil number, because the sum of its binary digits is even.

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

The square root of 1255000963 is about 35425.9927595544. The cubic root of 1255000963 is about 1078.6519998947.

The spelling of 1255000963 in words is "one billion, two hundred fifty-five million, nine hundred sixty-three", and thus it is an aban number.