25855411 has 2 divisors, whose sum is σ = 25855412. Its totient is φ = 25855410.

The previous prime is 25855397. The next prime is 25855421. The reversal of 25855411 is 11455852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25855411 - 2¹³ = 25847219 is a prime.

It is not a weakly prime, because it can be changed into another prime (25855421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12927705 + 12927706.

It is an arithmetic number, because the mean of its divisors is an integer number (12927706).

Almost surely, 2^25855411 is an apocalyptic number.

25855411 is a deficient number, since it is larger than the sum of its proper divisors (1).

25855411 is an equidigital number, since it uses as much as digits as its factorization.

25855411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8000, while the sum is 31.

The square root of 25855411 is about 5084.8216291233. The cubic root of 25855411 is about 295.6994262889.

The spelling of 25855411 in words is "twenty-five million, eight hundred fifty-five thousand, four hundred eleven".