25243201 has 4 divisors (see below), whose sum is σ = 25474900. Its totient is φ = 25011504.

The previous prime is 25243199. The next prime is 25243217. The reversal of 25243201 is 10234252.

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 13690000 + 11553201 = 3700^2 + 3399^2 .

It is a cyclic number.

It is not a de Polignac number, because 25243201 - 2¹ = 25243199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25243241) 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, 115686 + ... + 115903.

It is an arithmetic number, because the mean of its divisors is an integer number (6368725).

Almost surely, 2^25243201 is an apocalyptic number.

It is an amenable number.

25243201 is a deficient number, since it is larger than the sum of its proper divisors (231699).

25243201 is a wasteful number, since it uses less digits than its factorization.

25243201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231698.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 25243201 is about 5024.2612392271. The cubic root of 25243201 is about 293.3468811178.

Adding to 25243201 its reverse (10234252), we get a palindrome (35477453).

The spelling of 25243201 in words is "twenty-five million, two hundred forty-three thousand, two hundred one".