1047567491 has 2 divisors, whose sum is σ = 1047567492. Its totient is φ = 1047567490.

The previous prime is 1047567467. The next prime is 1047567503. The reversal of 1047567491 is 1947657401.

1047567491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1047567491 - 2⁶ = 1047567427 is a prime.

It is not a weakly prime, because it can be changed into another prime (1047567461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523783745 + 523783746.

It is an arithmetic number, because the mean of its divisors is an integer number (523783746).

Almost surely, 2^1047567491 is an apocalyptic number.

1047567491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047567491 is an equidigital number, since it uses as much as digits as its factorization.

1047567491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 1047567491 is about 32366.1472993002. The cubic root of 1047567491 is about 1015.6108631670.

The spelling of 1047567491 in words is "one billion, forty-seven million, five hundred sixty-seven thousand, four hundred ninety-one".