25244146061 has 2 divisors, whose sum is σ = 25244146062. Its totient is φ = 25244146060.

The previous prime is 25244146027. The next prime is 25244146163. The reversal of 25244146061 is 16064144252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19679881225 + 5564264836 = 140285^2 + 74594^2 .

It is a cyclic number.

It is not a de Polignac number, because 25244146061 - 2¹⁰ = 25244145037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25244146001) 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, 12622073030 + 12622073031.

It is an arithmetic number, because the mean of its divisors is an integer number (12622073031).

Almost surely, 2^25244146061 is an apocalyptic number.

It is an amenable number.

25244146061 is a deficient number, since it is larger than the sum of its proper divisors (1).

25244146061 is an equidigital number, since it uses as much as digits as its factorization.

25244146061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 25244146061 in words is "twenty-five billion, two hundred forty-four million, one hundred forty-six thousand, sixty-one".