25390342 has 8 divisors (see below), whose sum is σ = 38106936. Its totient is φ = 12688032.

The previous prime is 25390331. The next prime is 25390361. The reversal of 25390342 is 24309352.

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

It is a self number, because there is not a number n which added to its sum of digits gives 25390342.

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, 4798 + ... + 8590.

It is an arithmetic number, because the mean of its divisors is an integer number (4763367).

Almost surely, 2^25390342 is an apocalyptic number.

25390342 is a deficient number, since it is larger than the sum of its proper divisors (12716594).

25390342 is a wasteful number, since it uses less digits than its factorization.

25390342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7142.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 25390342 is about 5038.8830111444. The cubic root of 25390342 is about 293.9157439771.

Adding to 25390342 its reverse (24309352), we get a palindrome (49699694).

The spelling of 25390342 in words is "twenty-five million, three hundred ninety thousand, three hundred forty-two".