1056432659 has 2 divisors, whose sum is σ = 1056432660. Its totient is φ = 1056432658.

The previous prime is 1056432577. The next prime is 1056432667. The reversal of 1056432659 is 9562346501.

It is a strong prime.

It is an emirp because it is prime and its reverse (9562346501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1056432659 - 2¹² = 1056428563 is a prime.

It is a super-2 number, since 2×1056432659² = 2232099926003620562, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1056432059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528216329 + 528216330.

It is an arithmetic number, because the mean of its divisors is an integer number (528216330).

Almost surely, 2^1056432659 is an apocalyptic number.

1056432659 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056432659 is an equidigital number, since it uses as much as digits as its factorization.

1056432659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 1056432659 is about 32502.8100169816. The cubic root of 1056432659 is about 1018.4677297739.

The spelling of 1056432659 in words is "one billion, fifty-six million, four hundred thirty-two thousand, six hundred fifty-nine".