25516342 has 8 divisors (see below), whose sum is σ = 38304216. Its totient is φ = 12748272.

The previous prime is 25516339. The next prime is 25516343. The reversal of 25516342 is 24361552.

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 25516342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25516343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1143 + ... + 7234.

It is an arithmetic number, because the mean of its divisors is an integer number (4788027).

Almost surely, 2^25516342 is an apocalyptic number.

25516342 is a deficient number, since it is larger than the sum of its proper divisors (12787874).

25516342 is a wasteful number, since it uses less digits than its factorization.

25516342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9902.

The product of its digits is 7200, while the sum is 28.

The square root of 25516342 is about 5051.3703091339. The cubic root of 25516342 is about 294.4011292268.

Adding to 25516342 its reverse (24361552), we get a palindrome (49877894).

The spelling of 25516342 in words is "twenty-five million, five hundred sixteen thousand, three hundred forty-two".