2252634209281 has 4 divisors (see below), whose sum is σ = 2252870072064. Its totient is φ = 2252398346500.

The previous prime is 2252634209263. The next prime is 2252634209333. The reversal of 2252634209281 is 1829024362522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2252634209281 - 2⁵ = 2252634209249 is a prime.

It is a super-2 number, since 2×2252634209281² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2252634209201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117917065 + ... + 117936166.

It is an arithmetic number, because the mean of its divisors is an integer number (563217518016).

Almost surely, 2^{2252634209281} is an apocalyptic number.

It is an amenable number.

2252634209281 is a deficient number, since it is larger than the sum of its proper divisors (235862783).

2252634209281 is an equidigital number, since it uses as much as digits as its factorization.

2252634209281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235862782.

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 2252634209281 in words is "two trillion, two hundred fifty-two billion, six hundred thirty-four million, two hundred nine thousand, two hundred eighty-one".