1042513305 has 16 divisors (see below), whose sum is σ = 1683612864. Its totient is φ = 550809920.

The previous prime is 1042513271. The next prime is 1042513313. The reversal of 1042513305 is 5033152401.

It is not a de Polignac number, because 1042513305 - 2¹⁰ = 1042512281 is a prime.

It is a super-2 number, since 2×1042513305² = 2173667982204046050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323166 + ... + 326375.

It is an arithmetic number, because the mean of its divisors is an integer number (105225804).

Almost surely, 2^1042513305 is an apocalyptic number.

1042513305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1042513305 is a deficient number, since it is larger than the sum of its proper divisors (641099559).

1042513305 is a wasteful number, since it uses less digits than its factorization.

1042513305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649656.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1042513305 is about 32287.9746190435. The cubic root of 1042513305 is about 1013.9748942428.

Adding to 1042513305 its reverse (5033152401), we get a palindrome (6075665706).

The spelling of 1042513305 in words is "one billion, forty-two million, five hundred thirteen thousand, three hundred five".