25384738 has 8 divisors (see below), whose sum is σ = 39106332. Its totient is φ = 12349296.

The previous prime is 25384727. The next prime is 25384739. The reversal of 25384738 is 83748352.

It can be written as a sum of positive squares in 2 ways, for example, as 19686969 + 5697769 = 4437^2 + 2387^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 25384738.

It is not an unprimeable number, because it can be changed into a prime (25384739) 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, 171445 + ... + 171592.

Almost surely, 2^25384738 is an apocalyptic number.

25384738 is a deficient number, since it is larger than the sum of its proper divisors (13721594).

25384738 is a wasteful number, since it uses less digits than its factorization.

25384738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343076.

The product of its digits is 161280, while the sum is 40.

The square root of 25384738 is about 5038.3269048366. The cubic root of 25384738 is about 293.8941186281.

The spelling of 25384738 in words is "twenty-five million, three hundred eighty-four thousand, seven hundred thirty-eight".