25404234 has 8 divisors (see below), whose sum is σ = 50808480. Its totient is φ = 8468076.

The previous prime is 25404233. The next prime is 25404241. The reversal of 25404234 is 43240452.

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

25404234 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25404233) 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 3 ways as a sum of consecutive naturals, for example, 2117014 + ... + 2117025.

It is an arithmetic number, because the mean of its divisors is an integer number (6351060).

Almost surely, 2^25404234 is an apocalyptic number.

25404234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25404234 is a wasteful number, since it uses less digits than its factorization.

25404234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4234044.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 25404234 is about 5040.2613027501. The cubic root of 25404234 is about 293.9693382804.

Adding to 25404234 its reverse (43240452), we get a palindrome (68644686).

The spelling of 25404234 in words is "twenty-five million, four hundred four thousand, two hundred thirty-four".