25232201 has 4 divisors (see below), whose sum is σ = 25307412. Its totient is φ = 25156992.

The previous prime is 25232191. The next prime is 25232203. The reversal of 25232201 is 10223252.

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 3367225 + 21864976 = 1835^2 + 4676^2 .

It is a cyclic number.

It is not a de Polignac number, because 25232201 - 2²² = 21037897 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 25232201.

It is not an unprimeable number, because it can be changed into a prime (25232203) 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, 37100 + ... + 37773.

It is an arithmetic number, because the mean of its divisors is an integer number (6326853).

Almost surely, 2^25232201 is an apocalyptic number.

It is an amenable number.

25232201 is a deficient number, since it is larger than the sum of its proper divisors (75211).

25232201 is an equidigital number, since it uses as much as digits as its factorization.

25232201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75210.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 25232201 is about 5023.1664316445. The cubic root of 25232201 is about 293.3042652268.

Adding to 25232201 its reverse (10223252), we get a palindrome (35455453).

The spelling of 25232201 in words is "twenty-five million, two hundred thirty-two thousand, two hundred one".