2261635201 has 8 divisors (see below), whose sum is σ = 2586435264. Its totient is φ = 1937262480.

The previous prime is 2261635157. The next prime is 2261635213. The reversal of 2261635201 is 1025361622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2261635201 - 2²⁵ = 2228080769 is a prime.

It is a super-2 number, since 2×2261635201² = 10229987564804620802, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2261635201.

It is not an unprimeable number, because it can be changed into a prime (2261635231) 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 7 ways as a sum of consecutive naturals, for example, 95410 + ... + 116731.

It is an arithmetic number, because the mean of its divisors is an integer number (323304408).

Almost surely, 2^2261635201 is an apocalyptic number.

It is an amenable number.

2261635201 is a deficient number, since it is larger than the sum of its proper divisors (324800063).

2261635201 is a wasteful number, since it uses less digits than its factorization.

2261635201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213671.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2261635201 is about 47556.6525419946. The cubic root of 2261635201 is about 1312.6255446470.

Adding to 2261635201 its reverse (1025361622), we get a palindrome (3286996823).

The spelling of 2261635201 in words is "two billion, two hundred sixty-one million, six hundred thirty-five thousand, two hundred one".