25340211 has 24 divisors (see below), whose sum is σ = 39799760. Its totient is φ = 15443136.

The previous prime is 25340209. The next prime is 25340219. The reversal of 25340211 is 11204352.

25340211 is a `hidden beast` number, since 253 + 402 + 11 = 666.

It is not a de Polignac number, because 25340211 - 2¹ = 25340209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25340219) 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 in 23 ways as a sum of consecutive naturals, for example, 11760 + ... + 13746.

Almost surely, 2^25340211 is an apocalyptic number.

25340211 is a deficient number, since it is larger than the sum of its proper divisors (14459549).

25340211 is a wasteful number, since it uses less digits than its factorization.

25340211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115 (or 2112 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 25340211 is about 5033.9061373848. The cubic root of 25340211 is about 293.7221795895.

Adding to 25340211 its reverse (11204352), we get a palindrome (36544563).

The spelling of 25340211 in words is "twenty-five million, three hundred forty thousand, two hundred eleven".