25206042 has 8 divisors (see below), whose sum is σ = 50412096. Its totient is φ = 8402012.

The previous prime is 25206037. The next prime is 25206047. The reversal of 25206042 is 24060252.

It is an interprime number because it is at equal distance from previous prime (25206037) and next prime (25206047).

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

25206042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (25206047) 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, 2100498 + ... + 2100509.

It is an arithmetic number, because the mean of its divisors is an integer number (6301512).

Almost surely, 2^25206042 is an apocalyptic number.

25206042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25206042 is a wasteful number, since it uses less digits than its factorization.

25206042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4201012.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 25206042 is about 5020.5619207415. The cubic root of 25206042 is about 293.2028709904.

Adding to 25206042 its reverse (24060252), we get a palindrome (49266294).

The spelling of 25206042 in words is "twenty-five million, two hundred six thousand, forty-two".