25478058 has 16 divisors (see below), whose sum is σ = 51461856. Its totient is φ = 8408400.

The previous prime is 25478051. The next prime is 25478077. The reversal of 25478058 is 85087452.

It is a super-3 number, since 3×25478058³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (25478051) 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 7 ways as a sum of consecutive naturals, for example, 20416 + ... + 21627.

It is an arithmetic number, because the mean of its divisors is an integer number (3216366).

Almost surely, 2^25478058 is an apocalyptic number.

25478058 is an abundant number, since it is smaller than the sum of its proper divisors (25983798).

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

25478058 is a wasteful number, since it uses less digits than its factorization.

25478058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42149.

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 25478058 is about 5047.5794198804. The cubic root of 25478058 is about 294.2538184778.

The spelling of 25478058 in words is "twenty-five million, four hundred seventy-eight thousand, fifty-eight".