25320011 has 2 divisors, whose sum is σ = 25320012. Its totient is φ = 25320010.

The previous prime is 25319971. The next prime is 25320013. The reversal of 25320011 is 11002352.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25320011 - 2⁶ = 25319947 is a prime.

It is a super-2 number, since 2×25320011² = 1282205914080242, which contains 22 as substring.

Together with 25320013, 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 (25320013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12660005 + 12660006.

It is an arithmetic number, because the mean of its divisors is an integer number (12660006).

Almost surely, 2^25320011 is an apocalyptic number.

25320011 is a deficient number, since it is larger than the sum of its proper divisors (1).

25320011 is an equidigital number, since it uses as much as digits as its factorization.

25320011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 25320011 is about 5031.8993431904. The cubic root of 25320011 is about 293.6441117671.

Adding to 25320011 its reverse (11002352), we get a palindrome (36322363).

The spelling of 25320011 in words is "twenty-five million, three hundred twenty thousand, eleven".