25406611 has 2 divisors, whose sum is σ = 25406612. Its totient is φ = 25406610.

The previous prime is 25406603. The next prime is 25406617. The reversal of 25406611 is 11660452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25406611 - 2³ = 25406603 is a prime.

It is not a weakly prime, because it can be changed into another prime (25406617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12703305 + 12703306.

It is an arithmetic number, because the mean of its divisors is an integer number (12703306).

Almost surely, 2^25406611 is an apocalyptic number.

25406611 is a deficient number, since it is larger than the sum of its proper divisors (1).

25406611 is an equidigital number, since it uses as much as digits as its factorization.

25406611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 25406611 is about 5040.4970985013. The cubic root of 25406611 is about 293.9785066120.

The spelling of 25406611 in words is "twenty-five million, four hundred six thousand, six hundred eleven".