1052431539 has 8 divisors (see below), whose sum is σ = 1464252672. Its totient is φ = 671115720.

The previous prime is 1052431537. The next prime is 1052431553. The reversal of 1052431539 is 9351342501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1052431539 - 2¹ = 1052431537 is a prime.

It is a super-2 number, since 2×1052431539² = 2215224288563817042, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1052431531) 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 7 ways as a sum of consecutive naturals, for example, 7626247 + ... + 7626384.

It is an arithmetic number, because the mean of its divisors is an integer number (183031584).

Almost surely, 2^1052431539 is an apocalyptic number.

1052431539 is a deficient number, since it is larger than the sum of its proper divisors (411821133).

1052431539 is a wasteful number, since it uses less digits than its factorization.

1052431539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15252657.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 1052431539 is about 32441.2012570435. The cubic root of 1052431539 is about 1017.1803257386.

The spelling of 1052431539 in words is "one billion, fifty-two million, four hundred thirty-one thousand, five hundred thirty-nine".