1052431563 has 16 divisors (see below), whose sum is σ = 1499679360. Its totient is φ = 654174336.

The previous prime is 1052431561. The next prime is 1052431571. The reversal of 1052431563 is 3651342501.

It is not a de Polignac number, because 1052431563 - 2¹ = 1052431561 is a prime.

It is a super-2 number, since 2×1052431563² = 2215224389597245938, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1052431563.

It is not an unprimeable number, because it can be changed into a prime (1052431561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90973 + ... + 101886.

It is an arithmetic number, because the mean of its divisors is an integer number (93729960).

Almost surely, 2^1052431563 is an apocalyptic number.

1052431563 is a deficient number, since it is larger than the sum of its proper divisors (447247797).

1052431563 is a wasteful number, since it uses less digits than its factorization.

1052431563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192986.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 1052431563 is about 32441.2016269435. The cubic root of 1052431563 is about 1017.1803334707.

The spelling of 1052431563 in words is "one billion, fifty-two million, four hundred thirty-one thousand, five hundred sixty-three".