25280201 has 2 divisors, whose sum is σ = 25280202. Its totient is φ = 25280200.

The previous prime is 25280179. The next prime is 25280273. The reversal of 25280201 is 10208252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18284176 + 6996025 = 4276^2 + 2645^2 .

It is a cyclic number.

It is not a de Polignac number, because 25280201 - 2⁶ = 25280137 is a prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (25286201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12640100 + 12640101.

It is an arithmetic number, because the mean of its divisors is an integer number (12640101).

Almost surely, 2^25280201 is an apocalyptic number.

It is an amenable number.

25280201 is a deficient number, since it is larger than the sum of its proper divisors (1).

25280201 is an equidigital number, since it uses as much as digits as its factorization.

25280201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 25280201 is about 5027.9420243276. The cubic root of 25280201 is about 293.4901346873.

Adding to 25280201 its reverse (10208252), we get a palindrome (35488453).

The spelling of 25280201 in words is "twenty-five million, two hundred eighty thousand, two hundred one".