25850475 has 48 divisors (see below), whose sum is σ = 54282240. Its totient is φ = 11815200.

The previous prime is 25850467. The next prime is 25850477. The reversal of 25850475 is 57405852.

It is a happy number.

25850475 is a `hidden beast` number, since 2 + 585 + 0 + 4 + 75 = 666.

It is not a de Polignac number, because 25850475 - 2³ = 25850467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25850477) 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 47 ways as a sum of consecutive naturals, for example, 1990 + ... + 7460.

It is an arithmetic number, because the mean of its divisors is an integer number (1130880).

Almost surely, 2^25850475 is an apocalyptic number.

25850475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25850475 is an abundant number, since it is smaller than the sum of its proper divisors (28431765).

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

25850475 is a wasteful number, since it uses less digits than its factorization.

25850475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5497 (or 5486 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 25850475 is about 5084.3362398646. The cubic root of 25850475 is about 295.6806079810.

The spelling of 25850475 in words is "twenty-five million, eight hundred fifty thousand, four hundred seventy-five".