25969000201 has 3 divisors (see below), whose sum is σ = 25969161351. Its totient is φ = 25968839052.

The previous prime is 25969000157. The next prime is 25969000207. The reversal of 25969000201 is 10200096952.

The square root of 25969000201 is 161149.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 1689127801 + 24279872400 = 41099^2 + 155820^2 .

It is not a de Polignac number, because 25969000201 - 2¹⁹ = 25968475913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25969000207) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 80575 + ... + 241723.

It is an arithmetic number, because the mean of its divisors is an integer number (8656387117).

Almost surely, 2^25969000201 is an apocalyptic number.

25969000201 is the 161149-th square number.

25969000201 is the 80575-th centered octagonal number.

It is an amenable number.

25969000201 is a deficient number, since it is larger than the sum of its proper divisors (161150).

25969000201 is an frugal number, since it uses more digits than its factorization.

25969000201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322298 (or 161149 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The spelling of 25969000201 in words is "twenty-five billion, nine hundred sixty-nine million, two hundred one", and thus it is an aban number.