1056566303 has 32 divisors (see below), whose sum is σ = 1238227200. Its totient is φ = 892809216.

The previous prime is 1056566293. The next prime is 1056566317. The reversal of 1056566303 is 3036656501.

It is not a de Polignac number, because 1056566303 - 2⁶ = 1056566239 is a prime.

It is a super-2 number, since 2×1056566303² = 2232664705270175618, 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 (1056566503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1274093 + ... + 1274921.

It is an arithmetic number, because the mean of its divisors is an integer number (38694600).

Almost surely, 2^1056566303 is an apocalyptic number.

1056566303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1056566303 is a deficient number, since it is larger than the sum of its proper divisors (181660897).

1056566303 is a wasteful number, since it uses less digits than its factorization.

1056566303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011.

The product of its (nonzero) digits is 48600, while the sum is 35.

The square root of 1056566303 is about 32504.8658357483. The cubic root of 1056566303 is about 1018.5106750454.

The spelling of 1056566303 in words is "one billion, fifty-six million, five hundred sixty-six thousand, three hundred three".