25974211 has 2 divisors, whose sum is σ = 25974212. Its totient is φ = 25974210.

The previous prime is 25974209. The next prime is 25974217. The reversal of 25974211 is 11247952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25974211 - 2¹ = 25974209 is a prime.

Together with 25974209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25974217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12987105 + 12987106.

It is an arithmetic number, because the mean of its divisors is an integer number (12987106).

Almost surely, 2^25974211 is an apocalyptic number.

25974211 is a deficient number, since it is larger than the sum of its proper divisors (1).

25974211 is an equidigital number, since it uses as much as digits as its factorization.

25974211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 31.

The square root of 25974211 is about 5096.4900667028. The cubic root of 25974211 is about 296.1516259626.

The spelling of 25974211 in words is "twenty-five million, nine hundred seventy-four thousand, two hundred eleven".