25340242 has 8 divisors (see below), whose sum is σ = 38063232. Its totient is φ = 12652500.

The previous prime is 25340233. The next prime is 25340257. The reversal of 25340242 is 24204352.

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, 6934 + ... + 9937.

It is an arithmetic number, because the mean of its divisors is an integer number (4757904).

Almost surely, 2^25340242 is an apocalyptic number.

25340242 is a deficient number, since it is larger than the sum of its proper divisors (12722990).

25340242 is a wasteful number, since it uses less digits than its factorization.

25340242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17624.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 25340242 is about 5033.9092165036. The cubic root of 25340242 is about 293.7222993647.

Adding to 25340242 its reverse (24204352), we get a palindrome (49544594).

The spelling of 25340242 in words is "twenty-five million, three hundred forty thousand, two hundred forty-two".