1564160233 has 2 divisors, whose sum is σ = 1564160234. Its totient is φ = 1564160232.

The previous prime is 1564160179. The next prime is 1564160261. The reversal of 1564160233 is 3320614651.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1522014169 + 42146064 = 39013^2 + 6492^2 .

It is an emirp because it is prime and its reverse (3320614651) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1564160233 - 2⁹ = 1564159721 is a prime.

It is a super-2 number, since 2×1564160233² = 4893194468997228578, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1564160195 and 1564160204.

It is not a weakly prime, because it can be changed into another prime (1564160833) 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 as a sum of consecutive naturals, namely, 782080116 + 782080117.

It is an arithmetic number, because the mean of its divisors is an integer number (782080117).

Almost surely, 2^1564160233 is an apocalyptic number.

It is an amenable number.

1564160233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1564160233 is an equidigital number, since it uses as much as digits as its factorization.

1564160233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1564160233 is about 39549.4656474648. The cubic root of 1564160233 is about 1160.8080559332.

Adding to 1564160233 its reverse (3320614651), we get a palindrome (4884774884).

The spelling of 1564160233 in words is "one billion, five hundred sixty-four million, one hundred sixty thousand, two hundred thirty-three".