25484121 has 24 divisors (see below), whose sum is σ = 39952640. Its totient is φ = 15559776.

The previous prime is 25484059. The next prime is 25484141. The reversal of 25484121 is 12148452.

It is not a de Polignac number, because 25484121 - 2¹⁰ = 25483097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25484141) 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 23 ways as a sum of consecutive naturals, for example, 15480 + ... + 17046.

Almost surely, 2^25484121 is an apocalyptic number.

It is an amenable number.

25484121 is a deficient number, since it is larger than the sum of its proper divisors (14468519).

25484121 is a wasteful number, since it uses less digits than its factorization.

25484121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725 (or 1722 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 25484121 is about 5048.1799690582. The cubic root of 25484121 is about 294.2771577684.

The spelling of 25484121 in words is "twenty-five million, four hundred eighty-four thousand, one hundred twenty-one".