2056320403 has 2 divisors, whose sum is σ = 2056320404. Its totient is φ = 2056320402.

The previous prime is 2056320401. The next prime is 2056320433. The reversal of 2056320403 is 3040236502.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2056320403 - 2¹ = 2056320401 is a prime.

Together with 2056320401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2056320401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028160201 + 1028160202.

It is an arithmetic number, because the mean of its divisors is an integer number (1028160202).

Almost surely, 2^2056320403 is an apocalyptic number.

2056320403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056320403 is an equidigital number, since it uses as much as digits as its factorization.

2056320403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 2056320403 is about 45346.6691500048. The cubic root of 2056320403 is about 1271.6382856222.

Adding to 2056320403 its reverse (3040236502), we get a palindrome (5096556905).

The spelling of 2056320403 in words is "two billion, fifty-six million, three hundred twenty thousand, four hundred three".