2151597113 has 2 divisors, whose sum is σ = 2151597114. Its totient is φ = 2151597112.

The previous prime is 2151597089. The next prime is 2151597143. The reversal of 2151597113 is 3117951512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1988089744 + 163507369 = 44588^2 + 12787^2 .

It is a cyclic number.

It is not a de Polignac number, because 2151597113 - 2¹⁰ = 2151596089 is a prime.

It is not a weakly prime, because it can be changed into another prime (2151597143) 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, 1075798556 + 1075798557.

It is an arithmetic number, because the mean of its divisors is an integer number (1075798557).

Almost surely, 2^2151597113 is an apocalyptic number.

It is an amenable number.

2151597113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151597113 is an equidigital number, since it uses as much as digits as its factorization.

2151597113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9450, while the sum is 35.

The square root of 2151597113 is about 46385.3113927243. The cubic root of 2151597113 is about 1290.9823883112.

The spelling of 2151597113 in words is "two billion, one hundred fifty-one million, five hundred ninety-seven thousand, one hundred thirteen".