1255330049 has 2 divisors, whose sum is σ = 1255330050. Its totient is φ = 1255330048.

The previous prime is 1255330033. The next prime is 1255330067. The reversal of 1255330049 is 9400335521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1254930625 + 399424 = 35425^2 + 632^2 .

It is a cyclic number.

It is not a de Polignac number, because 1255330049 - 2⁴ = 1255330033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1255329997 and 1255330024.

It is not a weakly prime, because it can be changed into another prime (1255332049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627665024 + 627665025.

It is an arithmetic number, because the mean of its divisors is an integer number (627665025).

Almost surely, 2^1255330049 is an apocalyptic number.

It is an amenable number.

1255330049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255330049 is an equidigital number, since it uses as much as digits as its factorization.

1255330049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 1255330049 is about 35430.6371520468. The cubic root of 1255330049 is about 1078.7462729299.

The spelling of 1255330049 in words is "one billion, two hundred fifty-five million, three hundred thirty thousand, forty-nine".