1356320003 has 2 divisors, whose sum is σ = 1356320004. Its totient is φ = 1356320002.

The previous prime is 1356319999. The next prime is 1356320023. The reversal of 1356320003 is 3000236531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1356320003 - 2² = 1356319999 is a prime.

It is not a weakly prime, because it can be changed into another prime (1356320023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678160001 + 678160002.

It is an arithmetic number, because the mean of its divisors is an integer number (678160002).

Almost surely, 2^1356320003 is an apocalyptic number.

1356320003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1356320003 is an equidigital number, since it uses as much as digits as its factorization.

1356320003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 1356320003 is about 36828.2500670341. The cubic root of 1356320003 is about 1106.9314385692.

Adding to 1356320003 its reverse (3000236531), we get a palindrome (4356556534).

The spelling of 1356320003 in words is "one billion, three hundred fifty-six million, three hundred twenty thousand, three".