25061412049 has 2 divisors, whose sum is σ = 25061412050. Its totient is φ = 25061412048.

The previous prime is 25061412029. The next prime is 25061412097. The reversal of 25061412049 is 94021416052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20451002049 + 4610410000 = 143007^2 + 67900^2 .

It is a cyclic number.

It is not a de Polignac number, because 25061412049 - 2¹⁵ = 25061379281 is a prime.

It is not a weakly prime, because it can be changed into another prime (25061412029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12530706024 + 12530706025.

It is an arithmetic number, because the mean of its divisors is an integer number (12530706025).

Almost surely, 2^25061412049 is an apocalyptic number.

It is an amenable number.

25061412049 is a deficient number, since it is larger than the sum of its proper divisors (1).

25061412049 is an equidigital number, since it uses as much as digits as its factorization.

25061412049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 25061412049 in words is "twenty-five billion, sixty-one million, four hundred twelve thousand, forty-nine".