25200011 has 2 divisors, whose sum is σ = 25200012. Its totient is φ = 25200010.

The previous prime is 25199983. The next prime is 25200013. The reversal of 25200011 is 11000252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25200011 - 2²² = 21005707 is a prime.

Together with 25200013, 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 = 25199965 and 25200001.

It is not a weakly prime, because it can be changed into another prime (25200013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12600005 + 12600006.

It is an arithmetic number, because the mean of its divisors is an integer number (12600006).

Almost surely, 2^25200011 is an apocalyptic number.

25200011 is a deficient number, since it is larger than the sum of its proper divisors (1).

25200011 is an equidigital number, since it uses as much as digits as its factorization.

25200011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 25200011 is about 5019.9612548306. The cubic root of 25200011 is about 293.1794844340.

Adding to 25200011 its reverse (11000252), we get a palindrome (36200263).

The spelling of 25200011 in words is "twenty-five million, two hundred thousand, eleven".