2291453 has 4 divisors (see below), whose sum is σ = 2295360. Its totient is φ = 2287548.

The previous prime is 2291437. The next prime is 2291459. The reversal of 2291453 is 3541922.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3541922 = 2 ⋅1770961.

It is a cyclic number.

It is not a de Polignac number, because 2291453 - 2⁴ = 2291437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2291459) 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, 875 + ... + 2312.

It is an arithmetic number, because the mean of its divisors is an integer number (573840).

2^2291453 is an apocalyptic number.

It is an amenable number.

2291453 is a deficient number, since it is larger than the sum of its proper divisors (3907).

2291453 is an equidigital number, since it uses as much as digits as its factorization.

2291453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906.

The product of its digits is 2160, while the sum is 26.

The square root of 2291453 is about 1513.7546036264. The cubic root of 2291453 is about 131.8369006387.

It can be divided in two parts, 2291 and 453, that added together give a cube (2744 = 14³).

The spelling of 2291453 in words is "two million, two hundred ninety-one thousand, four hundred fifty-three".