4157172233 has 2 divisors, whose sum is σ = 4157172234. Its totient is φ = 4157172232.

The previous prime is 4157172211. The next prime is 4157172247. The reversal of 4157172233 is 3322717514.

It is a happy number.

4157172233 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3011485129 + 1145687104 = 54877^2 + 33848^2 .

It is a cyclic number.

It is not a de Polignac number, because 4157172233 - 2¹⁰ = 4157171209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4157172193 and 4157172202.

It is not a weakly prime, because it can be changed into another prime (4157172133) 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, 2078586116 + 2078586117.

It is an arithmetic number, because the mean of its divisors is an integer number (2078586117).

Almost surely, 2^4157172233 is an apocalyptic number.

It is an amenable number.

4157172233 is a deficient number, since it is larger than the sum of its proper divisors (1).

4157172233 is an equidigital number, since it uses as much as digits as its factorization.

4157172233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 35.

The square root of 4157172233 is about 64476.1369267731. The cubic root of 4157172233 is about 1607.9258081544.

Adding to 4157172233 its reverse (3322717514), we get a palindrome (7479889747).

The spelling of 4157172233 in words is "four billion, one hundred fifty-seven million, one hundred seventy-two thousand, two hundred thirty-three".