1597359 has 4 divisors (see below), whose sum is σ = 2129816. Its totient is φ = 1064904.

The previous prime is 1597357. The next prime is 1597361. The reversal of 1597359 is 9537951.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1597357) and next prime (1597361).

It is not a de Polignac number, because 1597359 - 2¹ = 1597357 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1597357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266224 + ... + 266229.

It is an arithmetic number, because the mean of its divisors is an integer number (532454).

2^1597359 is an apocalyptic number.

1597359 is a deficient number, since it is larger than the sum of its proper divisors (532457).

1597359 is an equidigital number, since it uses as much as digits as its factorization.

1597359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532456.

The product of its digits is 42525, while the sum is 39.

The square root of 1597359 is about 1263.8666860077. The cubic root of 1597359 is about 116.8963213315.

The spelling of 1597359 in words is "one million, five hundred ninety-seven thousand, three hundred fifty-nine".