25125118 has 4 divisors (see below), whose sum is σ = 37687680. Its totient is φ = 12562558.

The previous prime is 25125083. The next prime is 25125151. The reversal of 25125118 is 81152152.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 25125092 and 25125101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6281278 + ... + 6281281.

It is an arithmetic number, because the mean of its divisors is an integer number (9421920).

Almost surely, 2^25125118 is an apocalyptic number.

25125118 is a deficient number, since it is larger than the sum of its proper divisors (12562562).

25125118 is a wasteful number, since it uses less digits than its factorization.

25125118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12562561.

The product of its digits is 800, while the sum is 25.

The square root of 25125118 is about 5012.4961845372. The cubic root of 25125118 is about 292.8887586501. Note that the first 3 decimals are identical.

The spelling of 25125118 in words is "twenty-five million, one hundred twenty-five thousand, one hundred eighteen".