25313042 has 16 divisors (see below), whose sum is σ = 38689272. Its totient is φ = 12418560.

The previous prime is 25313033. The next prime is 25313059. The reversal of 25313042 is 24031352.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17799961 + 7513081 = 4219^2 + 2741^2 .

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 in 7 ways as a sum of consecutive naturals, for example, 40718 + ... + 41334.

Almost surely, 2^25313042 is an apocalyptic number.

25313042 is a deficient number, since it is larger than the sum of its proper divisors (13376230).

25313042 is a wasteful number, since it uses less digits than its factorization.

25313042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 25313042 is about 5031.2068134792. The cubic root of 25313042 is about 293.6171687352.

Adding to 25313042 its reverse (24031352), we get a palindrome (49344394).

The spelling of 25313042 in words is "twenty-five million, three hundred thirteen thousand, forty-two".