25814042 has 4 divisors (see below), whose sum is σ = 38721066. Its totient is φ = 12907020.

The previous prime is 25814029. The next prime is 25814083. The reversal of 25814042 is 24041852.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25110121 + 703921 = 5011^2 + 839^2 .

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 as a sum of consecutive naturals, namely, 6453509 + ... + 6453512.

Almost surely, 2^25814042 is an apocalyptic number.

25814042 is a deficient number, since it is larger than the sum of its proper divisors (12907024).

25814042 is a wasteful number, since it uses less digits than its factorization.

25814042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12907023.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 25814042 is about 5080.7521096783. The cubic root of 25814042 is about 295.5416344366.

Adding to 25814042 its reverse (24041852), we get a palindrome (49855894).

The spelling of 25814042 in words is "twenty-five million, eight hundred fourteen thousand, forty-two".