25445733041 has 2 divisors, whose sum is σ = 25445733042. Its totient is φ = 25445733040.

The previous prime is 25445733029. The next prime is 25445733043. The reversal of 25445733041 is 14033754452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25427491600 + 18241441 = 159460^2 + 4271^2 .

It is a cyclic number.

It is not a de Polignac number, because 25445733041 - 2¹⁰ = 25445732017 is a prime.

Together with 25445733043, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25445732986 and 25445733004.

It is not a weakly prime, because it can be changed into another prime (25445733043) 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, 12722866520 + 12722866521.

It is an arithmetic number, because the mean of its divisors is an integer number (12722866521).

Almost surely, 2^25445733041 is an apocalyptic number.

It is an amenable number.

25445733041 is a deficient number, since it is larger than the sum of its proper divisors (1).

25445733041 is an equidigital number, since it uses as much as digits as its factorization.

25445733041 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 38.

The spelling of 25445733041 in words is "twenty-five billion, four hundred forty-five million, seven hundred thirty-three thousand, forty-one".