25624241 has 8 divisors (see below), whose sum is σ = 26138280. Its totient is φ = 25114752.

The previous prime is 25624189. The next prime is 25624267. The reversal of 25624241 is 14242652.

It can be written as a sum of positive squares in 4 ways, for example, as 18490000 + 7134241 = 4300^2 + 2671^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25624241 - 2¹⁰ = 25623217 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 25624241.

It is not an unprimeable number, because it can be changed into a prime (25624271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11615 + ... + 13643.

It is an arithmetic number, because the mean of its divisors is an integer number (3267285).

Almost surely, 2^25624241 is an apocalyptic number.

It is an amenable number.

25624241 is a deficient number, since it is larger than the sum of its proper divisors (514039).

25624241 is a wasteful number, since it uses less digits than its factorization.

25624241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275.

The product of its digits is 3840, while the sum is 26.

The square root of 25624241 is about 5062.0392135976. The cubic root of 25624241 is about 294.8155161771.

Adding to 25624241 its reverse (14242652), we get a palindrome (39866893).

The spelling of 25624241 in words is "twenty-five million, six hundred twenty-four thousand, two hundred forty-one".