1040853263 has 4 divisors (see below), whose sum is σ = 1040919648. Its totient is φ = 1040786880.

The previous prime is 1040853251. The next prime is 1040853287. The reversal of 1040853263 is 3623580401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1040853263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040853223) 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, 4895 + ... + 45887.

It is an arithmetic number, because the mean of its divisors is an integer number (260229912).

Almost surely, 2^1040853263 is an apocalyptic number.

1040853263 is a deficient number, since it is larger than the sum of its proper divisors (66385).

1040853263 is an equidigital number, since it uses as much as digits as its factorization.

1040853263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66384.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1040853263 is about 32262.2575620492. The cubic root of 1040853263 is about 1013.4364086655.

The spelling of 1040853263 in words is "one billion, forty million, eight hundred fifty-three thousand, two hundred sixty-three".