25051142 has 8 divisors (see below), whose sum is σ = 37677000. Its totient is φ = 12492144.

The previous prime is 25051133. The next prime is 25051153. The reversal of 25051142 is 24115052.

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

It is a congruent number.

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, 15767 + ... + 17282.

It is an arithmetic number, because the mean of its divisors is an integer number (4709625).

Almost surely, 2^25051142 is an apocalyptic number.

25051142 is a deficient number, since it is larger than the sum of its proper divisors (12625858).

25051142 is a wasteful number, since it uses less digits than its factorization.

25051142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33430.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 25051142 is about 5005.1115871677. Note that the first 3 decimals coincide. The cubic root of 25051142 is about 292.6010248353.

Adding to 25051142 its reverse (24115052), we get a palindrome (49166194).

The spelling of 25051142 in words is "twenty-five million, fifty-one thousand, one hundred forty-two".