1056564403 has 2 divisors, whose sum is σ = 1056564404. Its totient is φ = 1056564402.

The previous prime is 1056564401. The next prime is 1056564461. The reversal of 1056564403 is 3044656501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1056564403 - 2¹ = 1056564401 is a prime.

It is a super-2 number, since 2×1056564403² = 2232656675373492818, which contains 22 as substring.

Together with 1056564401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1056564401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528282201 + 528282202.

It is an arithmetic number, because the mean of its divisors is an integer number (528282202).

Almost surely, 2^1056564403 is an apocalyptic number.

1056564403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056564403 is an equidigital number, since it uses as much as digits as its factorization.

1056564403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 1056564403 is about 32504.8366093417. The cubic root of 1056564403 is about 1018.5100645232.

The spelling of 1056564403 in words is "one billion, fifty-six million, five hundred sixty-four thousand, four hundred three".