1597113 has 24 divisors (see below), whose sum is σ = 2673216. Its totient is φ = 900000.

The previous prime is 1597111. The next prime is 1597129. The reversal of 1597113 is 3117951.

It is a happy number.

It is not a de Polignac number, because 1597113 - 2¹ = 1597111 is a prime.

It is a Curzon number.

1597113 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1597111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6238 + ... + 6488.

It is an arithmetic number, because the mean of its divisors is an integer number (111384).

2^1597113 is an apocalyptic number.

It is an amenable number.

1597113 is a deficient number, since it is larger than the sum of its proper divisors (1076103).

1597113 is a wasteful number, since it uses less digits than its factorization.

1597113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 362 counting only the distinct ones).

The product of its digits is 945, while the sum is 27.

The square root of 1597113 is about 1263.7693618695. The cubic root of 1597113 is about 116.8903201818.

The spelling of 1597113 in words is "one million, five hundred ninety-seven thousand, one hundred thirteen".