25629242 has 16 divisors (see below), whose sum is σ = 39259392. Its totient is φ = 12545280.

The previous prime is 25629239. The next prime is 25629257. The reversal of 25629242 is 24292652.

It is a house number.

It is a junction number, because it is equal to n+sod(n) for n = 25629199 and 25629208.

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, 25367 + ... + 26357.

It is an arithmetic number, because the mean of its divisors is an integer number (2453712).

Almost surely, 2^25629242 is an apocalyptic number.

25629242 is a deficient number, since it is larger than the sum of its proper divisors (13630150).

25629242 is a wasteful number, since it uses less digits than its factorization.

25629242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253.

The product of its digits is 17280, while the sum is 32.

The square root of 25629242 is about 5062.5331603852. The cubic root of 25629242 is about 294.8346943255.

The spelling of 25629242 in words is "twenty-five million, six hundred twenty-nine thousand, two hundred forty-two".