1043601263 has 4 divisors (see below), whose sum is σ = 1061289480. Its totient is φ = 1025913048.

The previous prime is 1043601233. The next prime is 1043601269. The reversal of 1043601263 is 3621063401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1043601263 - 2²² = 1039406959 is a prime.

It is a super-2 number, since 2×1043601263² = 2178207192270390338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043601269) 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, 8844020 + ... + 8844137.

It is an arithmetic number, because the mean of its divisors is an integer number (265322370).

Almost surely, 2^1043601263 is an apocalyptic number.

1043601263 is a deficient number, since it is larger than the sum of its proper divisors (17688217).

1043601263 is an equidigital number, since it uses as much as digits as its factorization.

1043601263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17688216.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1043601263 is about 32304.8179533642. The cubic root of 1043601263 is about 1014.3274967995.

Adding to 1043601263 its reverse (3621063401), we get a palindrome (4664664664).

The spelling of 1043601263 in words is "one billion, forty-three million, six hundred one thousand, two hundred sixty-three".