25380042 has 8 divisors (see below), whose sum is σ = 50760096. Its totient is φ = 8460012.

The previous prime is 25380011. The next prime is 25380059. The reversal of 25380042 is 24008352.

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

25380042 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 25379994 and 25380021.

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, 2114998 + ... + 2115009.

It is an arithmetic number, because the mean of its divisors is an integer number (6345012).

Almost surely, 2^25380042 is an apocalyptic number.

25380042 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.

25380042 is a wasteful number, since it uses less digits than its factorization.

25380042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4230012.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 25380042 is about 5037.8608555616. The cubic root of 25380042 is about 293.8759947210.

Adding to 25380042 its reverse (24008352), we get a palindrome (49388394).

The spelling of 25380042 in words is "twenty-five million, three hundred eighty thousand, forty-two".