25305342 has 16 divisors (see below), whose sum is σ = 52356240. Its totient is φ = 8144192.

The previous prime is 25305337. The next prime is 25305353. The reversal of 25305342 is 24350352.

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 7 ways as a sum of consecutive naturals, for example, 72543 + ... + 72890.

It is an arithmetic number, because the mean of its divisors is an integer number (3272265).

Almost surely, 2^25305342 is an apocalyptic number.

25305342 is an abundant number, since it is smaller than the sum of its proper divisors (27050898).

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

25305342 is a wasteful number, since it uses less digits than its factorization.

25305342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145467.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 25305342 is about 5030.4415313171. The cubic root of 25305342 is about 293.5873938141.

Adding to 25305342 its reverse (24350352), we get a palindrome (49655694).

The spelling of 25305342 in words is "twenty-five million, three hundred five thousand, three hundred forty-two".