25263201 has 4 divisors (see below), whose sum is σ = 33684272. Its totient is φ = 16842132.

The previous prime is 25263191. The next prime is 25263209. The reversal of 25263201 is 10236252.

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 not a de Polignac number, because 25263201 - 2⁶ = 25263137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25263209) 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, 4210531 + ... + 4210536.

It is an arithmetic number, because the mean of its divisors is an integer number (8421068).

Almost surely, 2^25263201 is an apocalyptic number.

It is an amenable number.

25263201 is a deficient number, since it is larger than the sum of its proper divisors (8421071).

25263201 is an equidigital number, since it uses as much as digits as its factorization.

25263201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8421070.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 25263201 is about 5026.2511875154. The cubic root of 25263201 is about 293.4243328491.

Adding to 25263201 its reverse (10236252), we get a palindrome (35499453).

The spelling of 25263201 in words is "twenty-five million, two hundred sixty-three thousand, two hundred one".