1045852091 has 2 divisors, whose sum is σ = 1045852092. Its totient is φ = 1045852090.

The previous prime is 1045852079. The next prime is 1045852097. The reversal of 1045852091 is 1902585401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1045852091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1045852097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522926045 + 522926046.

It is an arithmetic number, because the mean of its divisors is an integer number (522926046).

Almost surely, 2^1045852091 is an apocalyptic number.

1045852091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045852091 is an equidigital number, since it uses as much as digits as its factorization.

1045852091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 1045852091 is about 32339.6365316619. The cubic root of 1045852091 is about 1015.0562033799.

The spelling of 1045852091 in words is "one billion, forty-five million, eight hundred fifty-two thousand, ninety-one".