25480918 has 8 divisors (see below), whose sum is σ = 39883248. Its totient is φ = 12186504.

The previous prime is 25480913. The next prime is 25480927. The reversal of 25480918 is 81908452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25480913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276921 + ... + 277012.

It is an arithmetic number, because the mean of its divisors is an integer number (4985406).

Almost surely, 2^25480918 is an apocalyptic number.

25480918 is a deficient number, since it is larger than the sum of its proper divisors (14402330).

25480918 is a wasteful number, since it uses less digits than its factorization.

25480918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553958.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 25480918 is about 5047.8627160413. The cubic root of 25480918 is about 294.2648284016.

The spelling of 25480918 in words is "twenty-five million, four hundred eighty thousand, nine hundred eighteen".