1052403305 has 4 divisors (see below), whose sum is σ = 1262883972. Its totient is φ = 841922640.

The previous prime is 1052403299. The next prime is 1052403307. The reversal of 1052403305 is 5033042501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5033042501 = 2083 ⋅2416247.

It can be written as a sum of positive squares in 2 ways, for example, as 239754256 + 812649049 = 15484^2 + 28507^2 .

It is not a de Polignac number, because 1052403305 - 2¹² = 1052399209 is a prime.

It is a super-2 number, since 2×1052403305² = 2215105432749846050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1052403307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105240326 + ... + 105240335.

It is an arithmetic number, because the mean of its divisors is an integer number (315720993).

Almost surely, 2^1052403305 is an apocalyptic number.

It is an amenable number.

1052403305 is a deficient number, since it is larger than the sum of its proper divisors (210480667).

1052403305 is an equidigital number, since it uses as much as digits as its factorization.

1052403305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210480666.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 1052403305 is about 32440.7660976124. The cubic root of 1052403305 is about 1017.1712295567.

Adding to 1052403305 its reverse (5033042501), we get a palindrome (6085445806).

The spelling of 1052403305 in words is "one billion, fifty-two million, four hundred three thousand, three hundred five".