1597103 has 2 divisors, whose sum is σ = 1597104. Its totient is φ = 1597102.

The previous prime is 1597091. The next prime is 1597109. The reversal of 1597103 is 3017951.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1597103 - 2⁶ = 1597039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1597109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 798551 + 798552.

It is an arithmetic number, because the mean of its divisors is an integer number (798552).

2^1597103 is an apocalyptic number.

1597103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1597103 is an equidigital number, since it uses as much as digits as its factorization.

1597103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 1597103 is about 1263.7654054452. The cubic root of 1597103 is about 116.8900762196.

The spelling of 1597103 in words is "one million, five hundred ninety-seven thousand, one hundred three".