2252304491 has 4 divisors (see below), whose sum is σ = 2257506552. Its totient is φ = 2247102432.

The previous prime is 2252304427. The next prime is 2252304521. The reversal of 2252304491 is 1944032522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1944032522 = 2 ⋅972016261.

It is a cyclic number.

It is not a de Polignac number, because 2252304491 - 2⁶ = 2252304427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2252304191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2600381 + ... + 2601246.

It is an arithmetic number, because the mean of its divisors is an integer number (564376638).

Almost surely, 2^2252304491 is an apocalyptic number.

2252304491 is a deficient number, since it is larger than the sum of its proper divisors (5202061).

2252304491 is an equidigital number, since it uses as much as digits as its factorization.

2252304491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5202060.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 2252304491 is about 47458.4501537924. The cubic root of 2252304491 is about 1310.8179129722.

The spelling of 2252304491 in words is "two billion, two hundred fifty-two million, three hundred four thousand, four hundred ninety-one".