25133201 has 2 divisors, whose sum is σ = 25133202. Its totient is φ = 25133200.

The previous prime is 25133197. The next prime is 25133209. The reversal of 25133201 is 10233152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14899600 + 10233601 = 3860^2 + 3199^2 .

It is a cyclic number.

It is not a de Polignac number, because 25133201 - 2² = 25133197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25133201.

It is not a weakly prime, because it can be changed into another prime (25133209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12566600 + 12566601.

It is an arithmetic number, because the mean of its divisors is an integer number (12566601).

Almost surely, 2^25133201 is an apocalyptic number.

It is an amenable number.

25133201 is a deficient number, since it is larger than the sum of its proper divisors (1).

25133201 is an equidigital number, since it uses as much as digits as its factorization.

25133201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 25133201 is about 5013.3024046032. The cubic root of 25133201 is about 292.9201636901.

Adding to 25133201 its reverse (10233152), we get a palindrome (35366353).

The spelling of 25133201 in words is "twenty-five million, one hundred thirty-three thousand, two hundred one".