25477211 has 2 divisors, whose sum is σ = 25477212. Its totient is φ = 25477210.

The previous prime is 25477187. The next prime is 25477213. The reversal of 25477211 is 11277452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25477211 - 2¹⁸ = 25215067 is a prime.

Together with 25477213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25477213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12738605 + 12738606.

It is an arithmetic number, because the mean of its divisors is an integer number (12738606).

Almost surely, 2^25477211 is an apocalyptic number.

25477211 is a deficient number, since it is larger than the sum of its proper divisors (1).

25477211 is an equidigital number, since it uses as much as digits as its factorization.

25477211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3920, while the sum is 29.

The square root of 25477211 is about 5047.4955175810. The cubic root of 25477211 is about 294.2505576884.

The spelling of 25477211 in words is "twenty-five million, four hundred seventy-seven thousand, two hundred eleven".