25504342 has 8 divisors (see below), whose sum is σ = 38978496. Its totient is φ = 12511512.

The previous prime is 25504321. The next prime is 25504357. The reversal of 25504342 is 24340552.

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

It is a congruent number.

It is an unprimeable number.

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, 120198 + ... + 120409.

It is an arithmetic number, because the mean of its divisors is an integer number (4872312).

Almost surely, 2^25504342 is an apocalyptic number.

25504342 is a deficient number, since it is larger than the sum of its proper divisors (13474154).

25504342 is a wasteful number, since it uses less digits than its factorization.

25504342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240662.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 25504342 is about 5050.1823729446. The cubic root of 25504342 is about 294.3549709974.

Adding to 25504342 its reverse (24340552), we get a palindrome (49844894).

The spelling of 25504342 in words is "twenty-five million, five hundred four thousand, three hundred forty-two".