1045731559 has 2 divisors, whose sum is σ = 1045731560. Its totient is φ = 1045731558.

The previous prime is 1045731551. The next prime is 1045731563. The reversal of 1045731559 is 9551375401.

It is a strong prime.

It is an emirp because it is prime and its reverse (9551375401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1045731559 - 2³ = 1045731551 is a prime.

It is a super-3 number, since 3×1045731559³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1045731551) 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, 522865779 + 522865780.

It is an arithmetic number, because the mean of its divisors is an integer number (522865780).

Almost surely, 2^1045731559 is an apocalyptic number.

1045731559 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045731559 is an equidigital number, since it uses as much as digits as its factorization.

1045731559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94500, while the sum is 40.

The square root of 1045731559 is about 32337.7729443448. The cubic root of 1045731559 is about 1015.0172075998.

The spelling of 1045731559 in words is "one billion, forty-five million, seven hundred thirty-one thousand, five hundred fifty-nine".