25246805041 has 2 divisors, whose sum is σ = 25246805042. Its totient is φ = 25246805040.

The previous prime is 25246805029. The next prime is 25246805081. The reversal of 25246805041 is 14050864252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24768464400 + 478340641 = 157380^2 + 21871^2 .

It is a cyclic number.

It is not a de Polignac number, because 25246805041 - 2¹⁹ = 25246280753 is a prime.

It is not a weakly prime, because it can be changed into another prime (25246805081) 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, 12623402520 + 12623402521.

It is an arithmetic number, because the mean of its divisors is an integer number (12623402521).

Almost surely, 2^25246805041 is an apocalyptic number.

It is an amenable number.

25246805041 is a deficient number, since it is larger than the sum of its proper divisors (1).

25246805041 is an equidigital number, since it uses as much as digits as its factorization.

25246805041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 76800, while the sum is 37.

The spelling of 25246805041 in words is "twenty-five billion, two hundred forty-six million, eight hundred five thousand, forty-one".