1045255247 has 2 divisors, whose sum is σ = 1045255248. Its totient is φ = 1045255246.

The previous prime is 1045255243. The next prime is 1045255273. The reversal of 1045255247 is 7425525401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1045255247 - 2² = 1045255243 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1045255243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522627623 + 522627624.

It is an arithmetic number, because the mean of its divisors is an integer number (522627624).

Almost surely, 2^1045255247 is an apocalyptic number.

1045255247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045255247 is an equidigital number, since it uses as much as digits as its factorization.

1045255247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56000, while the sum is 35.

The square root of 1045255247 is about 32330.4074672745. The cubic root of 1045255247 is about 1014.8630768085.

The spelling of 1045255247 in words is "one billion, forty-five million, two hundred fifty-five thousand, two hundred forty-seven".