1045431001 has 2 divisors, whose sum is σ = 1045431002. Its totient is φ = 1045431000.

The previous prime is 1045430999. The next prime is 1045431017. The reversal of 1045431001 is 1001345401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 835210000 + 210221001 = 28900^2 + 14499^2 .

It is a cyclic number.

It is not a de Polignac number, because 1045431001 - 2¹ = 1045430999 is a prime.

Together with 1045430999, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1045431001.

It is not a weakly prime, because it can be changed into another prime (1045431061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522715500 + 522715501.

It is an arithmetic number, because the mean of its divisors is an integer number (522715501).

Almost surely, 2^1045431001 is an apocalyptic number.

It is an amenable number.

1045431001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045431001 is an equidigital number, since it uses as much as digits as its factorization.

1045431001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1045431001 is about 32333.1254443489. The cubic root of 1045431001 is about 1014.9199548612.

Adding to 1045431001 its reverse (1001345401), we get a palindrome (2046776402).

The spelling of 1045431001 in words is "one billion, forty-five million, four hundred thirty-one thousand, one".