25152123 has 4 divisors (see below), whose sum is σ = 33536168. Its totient is φ = 16768080.

The previous prime is 25152109. The next prime is 25152137. The reversal of 25152123 is 32125152.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (25152109) and next prime (25152137).

It is not a de Polignac number, because 25152123 - 2⁴ = 25152107 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 25152123.

It is not an unprimeable number, because it can be changed into a prime (25152173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4192018 + ... + 4192023.

It is an arithmetic number, because the mean of its divisors is an integer number (8384042).

Almost surely, 2^25152123 is an apocalyptic number.

25152123 is a deficient number, since it is larger than the sum of its proper divisors (8384045).

25152123 is an equidigital number, since it uses as much as digits as its factorization.

25152123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8384044.

The product of its digits is 600, while the sum is 21.

The square root of 25152123 is about 5015.1892287330. The cubic root of 25152123 is about 292.9936553896.

Adding to 25152123 its reverse (32125152), we get a palindrome (57277275).

The spelling of 25152123 in words is "twenty-five million, one hundred fifty-two thousand, one hundred twenty-three".