25414121 has 4 divisors (see below), whose sum is σ = 26290500. Its totient is φ = 24537744.

The previous prime is 25414093. The next prime is 25414157. The reversal of 25414121 is 12141452.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19678096 + 5736025 = 4436^2 + 2395^2 .

It is a cyclic number.

It is not a de Polignac number, because 25414121 - 2¹⁰ = 25413097 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25414093 and 25414102.

It is not an unprimeable number, because it can be changed into a prime (25414021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438146 + ... + 438203.

It is an arithmetic number, because the mean of its divisors is an integer number (6572625).

Almost surely, 2^25414121 is an apocalyptic number.

It is an amenable number.

25414121 is a deficient number, since it is larger than the sum of its proper divisors (876379).

25414121 is an equidigital number, since it uses as much as digits as its factorization.

25414121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876378.

The product of its digits is 320, while the sum is 20.

The square root of 25414121 is about 5041.2420096639. The cubic root of 25414121 is about 294.0074696916.

Adding to 25414121 its reverse (12141452), we get a palindrome (37555573).

The spelling of 25414121 in words is "twenty-five million, four hundred fourteen thousand, one hundred twenty-one".