1597998601 has 8 divisors (see below), whose sum is σ = 1629072000. Its totient is φ = 1566959472.

The previous prime is 1597998593. The next prime is 1597998607. The reversal of 1597998601 is 1068997951.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1597998601 - 2³ = 1597998593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1597998607) 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 in 7 ways as a sum of consecutive naturals, for example, 98406 + ... + 113488.

It is an arithmetic number, because the mean of its divisors is an integer number (203634000).

Almost surely, 2^1597998601 is an apocalyptic number.

It is an amenable number.

1597998601 is a deficient number, since it is larger than the sum of its proper divisors (31073399).

1597998601 is a wasteful number, since it uses less digits than its factorization.

1597998601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17135.

The product of its (nonzero) digits is 1224720, while the sum is 55.

The square root of 1597998601 is about 39974.9746841696. The cubic root of 1597998601 is about 1169.1192146213.

The spelling of 1597998601 in words is "one billion, five hundred ninety-seven million, nine hundred ninety-eight thousand, six hundred one".