1048345091 has 2 divisors, whose sum is σ = 1048345092. Its totient is φ = 1048345090.

The previous prime is 1048345079. The next prime is 1048345097. The reversal of 1048345091 is 1905438401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1048345091 - 2¹⁰ = 1048344067 is a prime.

It is not a weakly prime, because it can be changed into another prime (1048345097) 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, 524172545 + 524172546.

It is an arithmetic number, because the mean of its divisors is an integer number (524172546).

Almost surely, 2^1048345091 is an apocalyptic number.

1048345091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1048345091 is an equidigital number, since it uses as much as digits as its factorization.

1048345091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 1048345091 is about 32378.1576220760. The cubic root of 1048345091 is about 1015.8620939752.

The spelling of 1048345091 in words is "one billion, forty-eight million, three hundred forty-five thousand, ninety-one".