25450211 has 2 divisors, whose sum is σ = 25450212. Its totient is φ = 25450210.

The previous prime is 25450193. The next prime is 25450219. The reversal of 25450211 is 11205452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25450211 - 2¹⁴ = 25433827 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25450219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12725105 + 12725106.

It is an arithmetic number, because the mean of its divisors is an integer number (12725106).

Almost surely, 2^25450211 is an apocalyptic number.

25450211 is a deficient number, since it is larger than the sum of its proper divisors (1).

25450211 is an equidigital number, since it uses as much as digits as its factorization.

25450211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 25450211 is about 5044.8202148342. The cubic root of 25450211 is about 294.1465749139.

Adding to 25450211 its reverse (11205452), we get a palindrome (36655663).

The spelling of 25450211 in words is "twenty-five million, four hundred fifty thousand, two hundred eleven".