25215114 has 32 divisors (see below), whose sum is σ = 54648000. Its totient is φ = 7725312.

The previous prime is 25215103. The next prime is 25215119. The reversal of 25215114 is 41151252.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25215119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1512 + ... + 7260.

It is an arithmetic number, because the mean of its divisors is an integer number (1707750).

Almost surely, 2^25215114 is an apocalyptic number.

25215114 is an abundant number, since it is smaller than the sum of its proper divisors (29432886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25215114 is a wasteful number, since it uses less digits than its factorization.

25215114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5814.

The product of its digits is 400, while the sum is 21.

The square root of 25215114 is about 5021.4653239866. The cubic root of 25215114 is about 293.2380426818.

Adding to 25215114 its reverse (41151252), we get a palindrome (66366366).

The spelling of 25215114 in words is "twenty-five million, two hundred fifteen thousand, one hundred fourteen".