1045791001 has 2 divisors, whose sum is σ = 1045791002. Its totient is φ = 1045791000.

The previous prime is 1045790987. The next prime is 1045791041. The reversal of 1045791001 is 1001975401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 930250000 + 115541001 = 30500^2 + 10749^2 .

It is a cyclic number.

It is not a de Polignac number, because 1045791001 - 2¹⁷ = 1045659929 is a prime.

It is not a weakly prime, because it can be changed into another prime (1045791041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522895500 + 522895501.

It is an arithmetic number, because the mean of its divisors is an integer number (522895501).

Almost surely, 2^1045791001 is an apocalyptic number.

It is an amenable number.

1045791001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045791001 is an equidigital number, since it uses as much as digits as its factorization.

1045791001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 1045791001 is about 32338.6920112734. The cubic root of 1045791001 is about 1015.0364392752.

The spelling of 1045791001 in words is "one billion, forty-five million, seven hundred ninety-one thousand, one".