25400116 has 24 divisors (see below), whose sum is σ = 51883776. Its totient is φ = 10653600.

The previous prime is 25400083. The next prime is 25400147. The reversal of 25400116 is 61100452.

It is a junction number, because it is equal to n+sod(n) for n = 25400093 and 25400102.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8335 + ... + 10966.

It is an arithmetic number, because the mean of its divisors is an integer number (2161824).

Almost surely, 2^25400116 is an apocalyptic number.

It is an amenable number.

25400116 is an abundant number, since it is smaller than the sum of its proper divisors (26483660).

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

25400116 is a wasteful number, since it uses less digits than its factorization.

25400116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19359 (or 19357 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 25400116 is about 5039.8527756275. The cubic root of 25400116 is about 293.9534533804.

Adding to 25400116 its reverse (61100452), we get a palindrome (86500568).

The spelling of 25400116 in words is "twenty-five million, four hundred thousand, one hundred sixteen".