25579201 has 2 divisors, whose sum is σ = 25579202. Its totient is φ = 25579200.

The previous prime is 25579199. The next prime is 25579207. The reversal of 25579201 is 10297552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21169201 + 4410000 = 4601^2 + 2100^2 .

It is a cyclic number.

It is not a de Polignac number, because 25579201 - 2¹ = 25579199 is a prime.

Together with 25579199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25579207) 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 as a sum of consecutive naturals, namely, 12789600 + 12789601.

It is an arithmetic number, because the mean of its divisors is an integer number (12789601).

Almost surely, 2^25579201 is an apocalyptic number.

It is an amenable number.

25579201 is a deficient number, since it is larger than the sum of its proper divisors (1).

25579201 is an equidigital number, since it uses as much as digits as its factorization.

25579201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 25579201 is about 5057.5884569625. The cubic root of 25579201 is about 294.6426814205.

The spelling of 25579201 in words is "twenty-five million, five hundred seventy-nine thousand, two hundred one".