1597559853 has 16 divisors (see below), whose sum is σ = 2287149696. Its totient is φ = 988270080.

The previous prime is 1597559849. The next prime is 1597559891. The reversal of 1597559853 is 3589557951.

It is not a de Polignac number, because 1597559853 - 2² = 1597559849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1597559793 and 1597559802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1597559153) 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 15 ways as a sum of consecutive naturals, for example, 216976 + ... + 224217.

It is an arithmetic number, because the mean of its divisors is an integer number (142946856).

Almost surely, 2^1597559853 is an apocalyptic number.

It is an amenable number.

1597559853 is a deficient number, since it is larger than the sum of its proper divisors (689589843).

1597559853 is a wasteful number, since it uses less digits than its factorization.

1597559853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441284.

The product of its digits is 8505000, while the sum is 57.

The square root of 1597559853 is about 39969.4865240974. The cubic root of 1597559853 is about 1169.0122066700.

The spelling of 1597559853 in words is "one billion, five hundred ninety-seven million, five hundred fifty-nine thousand, eight hundred fifty-three".