25235123 has 4 divisors (see below), whose sum is σ = 26719560. Its totient is φ = 23750688.

The previous prime is 25235107. The next prime is 25235129. The reversal of 25235123 is 32153252.

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

It is a cyclic number.

It is not a de Polignac number, because 25235123 - 2⁴ = 25235107 is a prime.

It is a super-2 number, since 2×25235123² = 1273622865650258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25235129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 742193 + ... + 742226.

It is an arithmetic number, because the mean of its divisors is an integer number (6679890).

Almost surely, 2^25235123 is an apocalyptic number.

25235123 is a deficient number, since it is larger than the sum of its proper divisors (1484437).

25235123 is a wasteful number, since it uses less digits than its factorization.

25235123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484436.

The product of its digits is 1800, while the sum is 23.

The square root of 25235123 is about 5023.4572756220. The cubic root of 25235123 is about 293.3155867650.

Adding to 25235123 its reverse (32153252), we get a palindrome (57388375).

The spelling of 25235123 in words is "twenty-five million, two hundred thirty-five thousand, one hundred twenty-three".