2252891 has 4 divisors (see below), whose sum is σ = 2385432. Its totient is φ = 2120352.

The previous prime is 2252867. The next prime is 2252897. The reversal of 2252891 is 1982522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1982522 = 2 ⋅991261.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2252891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2252897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66245 + ... + 66278.

It is an arithmetic number, because the mean of its divisors is an integer number (596358).

2^2252891 is an apocalyptic number.

2252891 is a deficient number, since it is larger than the sum of its proper divisors (132541).

2252891 is a wasteful number, since it uses less digits than its factorization.

2252891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132540.

The product of its digits is 2880, while the sum is 29.

The square root of 2252891 is about 1500.9633573142. The cubic root of 2252891 is about 131.0931683821.

The spelling of 2252891 in words is "two million, two hundred fifty-two thousand, eight hundred ninety-one".