25081442 has 8 divisors (see below), whose sum is σ = 37974096. Its totient is φ = 12423412.

The previous prime is 25081439. The next prime is 25081471. The reversal of 25081442 is 24418052.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58388 + ... + 58815.

It is an arithmetic number, because the mean of its divisors is an integer number (4746762).

Almost surely, 2^25081442 is an apocalyptic number.

25081442 is a deficient number, since it is larger than the sum of its proper divisors (12892654).

25081442 is a wasteful number, since it uses less digits than its factorization.

25081442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117312.

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

The square root of 25081442 is about 5008.1375779825. The cubic root of 25081442 is about 292.7189467910.

Adding to 25081442 its reverse (24418052), we get a palindrome (49499494).

The spelling of 25081442 in words is "twenty-five million, eighty-one thousand, four hundred forty-two".