25116438 has 8 divisors (see below), whose sum is σ = 50232888. Its totient is φ = 8372144.

The previous prime is 25116433. The next prime is 25116457. The reversal of 25116438 is 83461152.

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

25116438 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25116433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2093031 + ... + 2093042.

It is an arithmetic number, because the mean of its divisors is an integer number (6279111).

Almost surely, 2^25116438 is an apocalyptic number.

25116438 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.

25116438 is a wasteful number, since it uses less digits than its factorization.

25116438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4186078.

The product of its digits is 5760, while the sum is 30.

The square root of 25116438 is about 5011.6302736734. The cubic root of 25116438 is about 292.8550265732.

The spelling of 25116438 in words is "twenty-five million, one hundred sixteen thousand, four hundred thirty-eight".