5423725121 has 2 divisors, whose sum is σ = 5423725122. Its totient is φ = 5423725120.

The previous prime is 5423725117. The next prime is 5423725157. The reversal of 5423725121 is 1215273245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3128836096 + 2294889025 = 55936^2 + 47905^2 .

It is a cyclic number.

It is not a de Polignac number, because 5423725121 - 2² = 5423725117 is a prime.

It is not a weakly prime, because it can be changed into another prime (5423725421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2711862560 + 2711862561.

It is an arithmetic number, because the mean of its divisors is an integer number (2711862561).

Almost surely, 2^5423725121 is an apocalyptic number.

It is an amenable number.

5423725121 is a deficient number, since it is larger than the sum of its proper divisors (1).

5423725121 is an equidigital number, since it uses as much as digits as its factorization.

5423725121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16800, while the sum is 32.

The square root of 5423725121 is about 73645.9443621982. The cubic root of 5423725121 is about 1756.9762475454.

Adding to 5423725121 its reverse (1215273245), we get a palindrome (6638998366).

The spelling of 5423725121 in words is "five billion, four hundred twenty-three million, seven hundred twenty-five thousand, one hundred twenty-one".