2636925201 has 9 divisors (see below), whose sum is σ = 3809114491. Its totient is φ = 1757847432.

The previous prime is 2636925191. The next prime is 2636925211. The reversal of 2636925201 is 1025296362.

The square root of 2636925201 is 51351.

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

It is an interprime number because it is at equal distance from previous prime (2636925191) and next prime (2636925211).

It can be written as a sum of positive squares in only one way, i.e., 2772225 + 2634152976 = 1665^2 + 51324^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 2636925201 - 2⁵ = 2636925169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2636925211) 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 in 8 ways as a sum of consecutive naturals, for example, 145495 + ... + 162611.

Almost surely, 2^2636925201 is an apocalyptic number.

2636925201 is the 51351-st square number.

2636925201 is the 25676-th centered octagonal number.

It is an amenable number.

2636925201 is a deficient number, since it is larger than the sum of its proper divisors (1172189290).

2636925201 is an frugal number, since it uses more digits than its factorization.

2636925201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34240 (or 17120 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The cubic root of 2636925201 is about 1381.5478677952.

Multiplying 2636925201 by its sum of digits (36), we get a square (94929307236 = 308106²).

The spelling of 2636925201 in words is "two billion, six hundred thirty-six million, nine hundred twenty-five thousand, two hundred one".