25693142 has 8 divisors (see below), whose sum is σ = 39479832. Its totient is φ = 12533200.

The previous prime is 25693099. The next prime is 25693163. The reversal of 25693142 is 24139652.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 25693099 and 25693108.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 156584 + ... + 156747.

It is an arithmetic number, because the mean of its divisors is an integer number (4934979).

Almost surely, 2^25693142 is an apocalyptic number.

25693142 is a deficient number, since it is larger than the sum of its proper divisors (13786690).

25693142 is a wasteful number, since it uses less digits than its factorization.

25693142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313374.

The product of its digits is 12960, while the sum is 32.

The square root of 25693142 is about 5068.8403012918. The cubic root of 25693142 is about 295.0795227535.

The spelling of 25693142 in words is "twenty-five million, six hundred ninety-three thousand, one hundred forty-two".