25286358541 has 2 divisors, whose sum is σ = 25286358542. Its totient is φ = 25286358540.

The previous prime is 25286358523. The next prime is 25286358551. The reversal of 25286358541 is 14585368252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24852261316 + 434097225 = 157646^2 + 20835^2 .

It is a cyclic number.

It is not a de Polignac number, because 25286358541 - 2⁷ = 25286358413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25286358551) 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, 12643179270 + 12643179271.

It is an arithmetic number, because the mean of its divisors is an integer number (12643179271).

Almost surely, 2^25286358541 is an apocalyptic number.

It is an amenable number.

25286358541 is a deficient number, since it is larger than the sum of its proper divisors (1).

25286358541 is an equidigital number, since it uses as much as digits as its factorization.

25286358541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304000, while the sum is 49.

The spelling of 25286358541 in words is "twenty-five billion, two hundred eighty-six million, three hundred fifty-eight thousand, five hundred forty-one".