13425234533 has 2 divisors, whose sum is σ = 13425234534. Its totient is φ = 13425234532.

The previous prime is 13425234523. The next prime is 13425234539. The reversal of 13425234533 is 33543252431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13293398209 + 131836324 = 115297^2 + 11482^2 .

It is a cyclic number.

It is not a de Polignac number, because 13425234533 - 2⁴ = 13425234517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13425234493 and 13425234502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13425234539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6712617266 + 6712617267.

It is an arithmetic number, because the mean of its divisors is an integer number (6712617267).

Almost surely, 2^13425234533 is an apocalyptic number.

It is an amenable number.

13425234533 is a deficient number, since it is larger than the sum of its proper divisors (1).

13425234533 is an equidigital number, since it uses as much as digits as its factorization.

13425234533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 35.

Adding to 13425234533 its reverse (33543252431), we get a palindrome (46968486964).

The spelling of 13425234533 in words is "thirteen billion, four hundred twenty-five million, two hundred thirty-four thousand, five hundred thirty-three".