25242123 has 8 divisors (see below), whose sum is σ = 33754000. Its totient is φ = 16779168.

The previous prime is 25242097. The next prime is 25242131. The reversal of 25242123 is 32124252.

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

It is not a de Polignac number, because 25242123 - 2¹² = 25238027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25242123.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11008 + ... + 13101.

It is an arithmetic number, because the mean of its divisors is an integer number (4219250).

Almost surely, 2^25242123 is an apocalyptic number.

25242123 is a deficient number, since it is larger than the sum of its proper divisors (8511877).

25242123 is a wasteful number, since it uses less digits than its factorization.

25242123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24461.

The product of its digits is 960, while the sum is 21.

The square root of 25242123 is about 5024.1539586283. The cubic root of 25242123 is about 293.3427053078.

Adding to 25242123 its reverse (32124252), we get a palindrome (57366375).

The spelling of 25242123 in words is "twenty-five million, two hundred forty-two thousand, one hundred twenty-three".