25529192653 has 2 divisors, whose sum is σ = 25529192654. Its totient is φ = 25529192652.

The previous prime is 25529192599. The next prime is 25529192657. The reversal of 25529192653 is 35629192552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19459692004 + 6069500649 = 139498^2 + 77907^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25529192653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25529192597 and 25529192606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25529192657) 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, 12764596326 + 12764596327.

It is an arithmetic number, because the mean of its divisors is an integer number (12764596327).

Almost surely, 2^25529192653 is an apocalyptic number.

It is an amenable number.

25529192653 is a deficient number, since it is larger than the sum of its proper divisors (1).

25529192653 is an equidigital number, since it uses as much as digits as its factorization.

25529192653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1458000, while the sum is 49.

The spelling of 25529192653 in words is "twenty-five billion, five hundred twenty-nine million, one hundred ninety-two thousand, six hundred fifty-three".