5125642133 has 2 divisors, whose sum is σ = 5125642134. Its totient is φ = 5125642132.

The previous prime is 5125642129. The next prime is 5125642139. The reversal of 5125642133 is 3312465215.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3243644209 + 1881997924 = 56953^2 + 43382^2 .

It is a cyclic number.

It is not a de Polignac number, because 5125642133 - 2² = 5125642129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5125642133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5125642139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2562821066 + 2562821067.

It is an arithmetic number, because the mean of its divisors is an integer number (2562821067).

Almost surely, 2^5125642133 is an apocalyptic number.

It is an amenable number.

5125642133 is a deficient number, since it is larger than the sum of its proper divisors (1).

5125642133 is an equidigital number, since it uses as much as digits as its factorization.

5125642133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 32.

The square root of 5125642133 is about 71593.5900273202. The cubic root of 5125642133 is about 1724.1806241462.

The spelling of 5125642133 in words is "five billion, one hundred twenty-five million, six hundred forty-two thousand, one hundred thirty-three".