1000880263 has 4 divisors (see below), whose sum is σ = 1001783880. Its totient is φ = 999976648.

The previous prime is 1000880261. The next prime is 1000880281. The reversal of 1000880263 is 3620880001.

1000880263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1000880263 - 2¹ = 1000880261 is a prime.

It is a super-2 number, since 2×1000880263² = 2003522601725898338, 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 (1000880261) 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, 450145 + ... + 452362.

It is an arithmetic number, because the mean of its divisors is an integer number (250445970).

Almost surely, 2^1000880263 is an apocalyptic number.

1000880263 is a deficient number, since it is larger than the sum of its proper divisors (903617).

1000880263 is an equidigital number, since it uses as much as digits as its factorization.

1000880263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903616.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1000880263 is about 31636.6917202163. The cubic root of 1000880263 is about 1000.2933349462.

The spelling of 1000880263 in words is "one billion, eight hundred eighty thousand, two hundred sixty-three".