25442345 has 16 divisors (see below), whose sum is σ = 31691520. Its totient is φ = 19593600.

The previous prime is 25442327. The next prime is 25442363. The reversal of 25442345 is 54324452.

It is an interprime number because it is at equal distance from previous prime (25442327) and next prime (25442363).

It is not a de Polignac number, because 25442345 - 2⁶ = 25442281 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15410 + ... + 16980.

It is an arithmetic number, because the mean of its divisors is an integer number (1980720).

Almost surely, 2^25442345 is an apocalyptic number.

It is an amenable number.

25442345 is a deficient number, since it is larger than the sum of its proper divisors (6249175).

25442345 is a wasteful number, since it uses less digits than its factorization.

25442345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696.

The product of its digits is 19200, while the sum is 29.

The square root of 25442345 is about 5044.0405430567. The cubic root of 25442345 is about 294.1162674327.

Adding to 25442345 its reverse (54324452), we get a palindrome (79766797).

The spelling of 25442345 in words is "twenty-five million, four hundred forty-two thousand, three hundred forty-five".