25303252529 has 2 divisors, whose sum is σ = 25303252530. Its totient is φ = 25303252528.

The previous prime is 25303252501. The next prime is 25303252537. The reversal of 25303252529 is 92525230352.

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., 16159494400 + 9143758129 = 127120^2 + 95623^2 .

It is a cyclic number.

It is not a de Polignac number, because 25303252529 - 2¹² = 25303248433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25303252492 and 25303252501.

It is not a weakly prime, because it can be changed into another prime (25303252549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12651626264 + 12651626265.

It is an arithmetic number, because the mean of its divisors is an integer number (12651626265).

Almost surely, 2^25303252529 is an apocalyptic number.

It is an amenable number.

25303252529 is a deficient number, since it is larger than the sum of its proper divisors (1).

25303252529 is an equidigital number, since it uses as much as digits as its factorization.

25303252529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162000, while the sum is 38.

The spelling of 25303252529 in words is "twenty-five billion, three hundred three million, two hundred fifty-two thousand, five hundred twenty-nine".