25524017249 has 2 divisors, whose sum is σ = 25524017250. Its totient is φ = 25524017248.

The previous prime is 25524017237. The next prime is 25524017261. The reversal of 25524017249 is 94271042552.

It is a balanced prime because it is at equal distance from previous prime (25524017237) and next prime (25524017261).

It can be written as a sum of positive squares in only one way, i.e., 19274324224 + 6249693025 = 138832^2 + 79055^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25524017249 is a prime.

It is not a weakly prime, because it can be changed into another prime (25524017149) 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, 12762008624 + 12762008625.

It is an arithmetic number, because the mean of its divisors is an integer number (12762008625).

Almost surely, 2^25524017249 is an apocalyptic number.

It is an amenable number.

25524017249 is a deficient number, since it is larger than the sum of its proper divisors (1).

25524017249 is an equidigital number, since it uses as much as digits as its factorization.

25524017249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 25524017249 in words is "twenty-five billion, five hundred twenty-four million, seventeen thousand, two hundred forty-nine".