25234121 has 4 divisors (see below), whose sum is σ = 27528144. Its totient is φ = 22940100.

The previous prime is 25234117. The next prime is 25234127. The reversal of 25234121 is 12143252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25234121 - 2² = 25234117 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25234093 and 25234102.

It is not an unprimeable number, because it can be changed into a prime (25234127) 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, 1146995 + ... + 1147016.

It is an arithmetic number, because the mean of its divisors is an integer number (6882036).

Almost surely, 2^25234121 is an apocalyptic number.

It is an amenable number.

25234121 is a deficient number, since it is larger than the sum of its proper divisors (2294023).

25234121 is a wasteful number, since it uses less digits than its factorization.

25234121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294022.

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

The square root of 25234121 is about 5023.3575425207. The cubic root of 25234121 is about 293.3117045290.

Adding to 25234121 its reverse (12143252), we get a palindrome (37377373).

The spelling of 25234121 in words is "twenty-five million, two hundred thirty-four thousand, one hundred twenty-one".