25342145 has 8 divisors (see below), whose sum is σ = 30909480. Its totient is φ = 19941120.

The previous prime is 25342139. The next prime is 25342193. The reversal of 25342145 is 54124352.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2455489 + 22886656 = 1567^2 + 4784^2 .

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

It is not a de Polignac number, because 25342145 - 2⁸ = 25341889 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41240 + ... + 41849.

It is an arithmetic number, because the mean of its divisors is an integer number (3863685).

Almost surely, 2^25342145 is an apocalyptic number.

It is an amenable number.

25342145 is a deficient number, since it is larger than the sum of its proper divisors (5567335).

25342145 is an equidigital number, since it uses as much as digits as its factorization.

25342145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83155.

The product of its digits is 4800, while the sum is 26.

The square root of 25342145 is about 5034.0982310638. The cubic root of 25342145 is about 293.7296518273.

Adding to 25342145 its reverse (54124352), we get a palindrome (79466497).

The spelling of 25342145 in words is "twenty-five million, three hundred forty-two thousand, one hundred forty-five".