25020211 has 2 divisors, whose sum is σ = 25020212. Its totient is φ = 25020210.

The previous prime is 25020181. The next prime is 25020217. The reversal of 25020211 is 11202052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25020211 - 2¹¹ = 25018163 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25020191 and 25020200.

It is not a weakly prime, because it can be changed into another prime (25020217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12510105 + 12510106.

It is an arithmetic number, because the mean of its divisors is an integer number (12510106).

Almost surely, 2^25020211 is an apocalyptic number.

25020211 is a deficient number, since it is larger than the sum of its proper divisors (1).

25020211 is an equidigital number, since it uses as much as digits as its factorization.

25020211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 25020211 is about 5002.0206916805. The cubic root of 25020211 is about 292.4805490268.

Adding to 25020211 its reverse (11202052), we get a palindrome (36222263).

The spelling of 25020211 in words is "twenty-five million, twenty thousand, two hundred eleven".