25000201201 has 4 divisors (see below), whose sum is σ = 25257935332. Its totient is φ = 24742467072.

The previous prime is 25000201199. The next prime is 25000201211. The reversal of 25000201201 is 10210200052.

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 9029560576 + 15970640625 = 95024^2 + 126375^2 .

It is a cyclic number.

It is not a de Polignac number, because 25000201201 - 2¹ = 25000201199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25000201211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128866920 + ... + 128867113.

It is an arithmetic number, because the mean of its divisors is an integer number (6314483833).

Almost surely, 2^25000201201 is an apocalyptic number.

It is an amenable number.

25000201201 is a deficient number, since it is larger than the sum of its proper divisors (257734131).

25000201201 is an equidigital number, since it uses as much as digits as its factorization.

25000201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257734130.

The product of its (nonzero) digits is 40, while the sum is 13.

Adding to 25000201201 its reverse (10210200052), we get a palindrome (35210401253).

The spelling of 25000201201 in words is "twenty-five billion, two hundred one thousand, two hundred one".