25242113 has 8 divisors (see below), whose sum is σ = 27384168. Its totient is φ = 23128704.

The previous prime is 25242097. The next prime is 25242131. The reversal of 25242113 is 31124252.

It can be written as a sum of positive squares in 4 ways, for example, as 4739329 + 20502784 = 2177^2 + 4528^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 25242113 - 2⁴ = 25242097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25242163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5306 + ... + 8867.

It is an arithmetic number, because the mean of its divisors is an integer number (3423021).

Almost surely, 2^25242113 is an apocalyptic number.

It is an amenable number.

25242113 is a deficient number, since it is larger than the sum of its proper divisors (2142055).

25242113 is a wasteful number, since it uses less digits than its factorization.

25242113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14323.

The product of its digits is 480, while the sum is 20.

The square root of 25242113 is about 5024.1529634357. The cubic root of 25242113 is about 293.3426665706.

Adding to 25242113 its reverse (31124252), we get a palindrome (56366365).

The spelling of 25242113 in words is "twenty-five million, two hundred forty-two thousand, one hundred thirteen".