25244602601 has 2 divisors, whose sum is σ = 25244602602. Its totient is φ = 25244602600.

The previous prime is 25244602553. The next prime is 25244602633. The reversal of 25244602601 is 10620644252.

It is an a-pointer prime, because the next prime (25244602633) can be obtained adding 25244602601 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25177755625 + 66846976 = 158675^2 + 8176^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25244602601 is a prime.

It is not a weakly prime, because it can be changed into another prime (25244607601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12622301300 + 12622301301.

It is an arithmetic number, because the mean of its divisors is an integer number (12622301301).

Almost surely, 2^25244602601 is an apocalyptic number.

It is an amenable number.

25244602601 is a deficient number, since it is larger than the sum of its proper divisors (1).

25244602601 is an equidigital number, since it uses as much as digits as its factorization.

25244602601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 25244602601 in words is "twenty-five billion, two hundred forty-four million, six hundred two thousand, six hundred one".