4181253133 has 2 divisors, whose sum is σ = 4181253134. Its totient is φ = 4181253132.

The previous prime is 4181253091. The next prime is 4181253143. The reversal of 4181253133 is 3313521814.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3923393769 + 257859364 = 62637^2 + 16058^2 .

It is a cyclic number.

It is not a de Polignac number, because 4181253133 - 2¹⁷ = 4181122061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4181253095 and 4181253104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4181253143) 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, 2090626566 + 2090626567.

It is an arithmetic number, because the mean of its divisors is an integer number (2090626567).

Almost surely, 2^4181253133 is an apocalyptic number.

It is an amenable number.

4181253133 is a deficient number, since it is larger than the sum of its proper divisors (1).

4181253133 is an equidigital number, since it uses as much as digits as its factorization.

4181253133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 31.

The square root of 4181253133 is about 64662.6100076389. The cubic root of 4181253133 is about 1611.0245312098.

Adding to 4181253133 its reverse (3313521814), we get a palindrome (7494774947).

The spelling of 4181253133 in words is "four billion, one hundred eighty-one million, two hundred fifty-three thousand, one hundred thirty-three".