25331042 has 16 divisors (see below), whose sum is σ = 42416352. Its totient is φ = 11245920.

The previous prime is 25331029. The next prime is 25331063. The reversal of 25331042 is 24013352.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12443 + ... + 14334.

It is an arithmetic number, because the mean of its divisors is an integer number (2651022).

Almost surely, 2^25331042 is an apocalyptic number.

25331042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25331042 is a deficient number, since it is larger than the sum of its proper divisors (17085310).

25331042 is a wasteful number, since it uses less digits than its factorization.

25331042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26833.

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

The square root of 25331042 is about 5032.9953308144. The cubic root of 25331042 is about 293.6867488985.

Adding to 25331042 its reverse (24013352), we get a palindrome (49344394).

It can be divided in two parts, 253310 and 42, that added together give a palindrome (253352).

The spelling of 25331042 in words is "twenty-five million, three hundred thirty-one thousand, forty-two".