25827343541 has 2 divisors, whose sum is σ = 25827343542. Its totient is φ = 25827343540.

The previous prime is 25827343469. The next prime is 25827343543. The reversal of 25827343541 is 14534372852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16039209316 + 9788134225 = 126646^2 + 98935^2 .

It is a cyclic number.

It is not a de Polignac number, because 25827343541 - 2¹⁰ = 25827342517 is a prime.

Together with 25827343543, 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 = 25827343492 and 25827343501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25827343543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12913671770 + 12913671771.

It is an arithmetic number, because the mean of its divisors is an integer number (12913671771).

Almost surely, 2^25827343541 is an apocalyptic number.

It is an amenable number.

25827343541 is a deficient number, since it is larger than the sum of its proper divisors (1).

25827343541 is an equidigital number, since it uses as much as digits as its factorization.

25827343541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 806400, while the sum is 44.

The spelling of 25827343541 in words is "twenty-five billion, eight hundred twenty-seven million, three hundred forty-three thousand, five hundred forty-one".