25706042 has 8 divisors (see below), whose sum is σ = 40235616. Its totient is φ = 12294172.

The previous prime is 25706033. The next prime is 25706053. The reversal of 25706042 is 24060752.

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, 279368 + ... + 279459.

It is an arithmetic number, because the mean of its divisors is an integer number (5029452).

Almost surely, 2^25706042 is an apocalyptic number.

25706042 is a deficient number, since it is larger than the sum of its proper divisors (14529574).

25706042 is a wasteful number, since it uses less digits than its factorization.

25706042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558852.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 25706042 is about 5070.1126220233. The cubic root of 25706042 is about 295.1288989510.

Adding to 25706042 its reverse (24060752), we get a palindrome (49766794).

The spelling of 25706042 in words is "twenty-five million, seven hundred six thousand, forty-two".