2239453 has 2 divisors, whose sum is σ = 2239454. Its totient is φ = 2239452.

The previous prime is 2239417. The next prime is 2239459. The reversal of 2239453 is 3549322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2229049 + 10404 = 1493^2 + 102^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2239453 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2239459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119726 + 1119727.

It is an arithmetic number, because the mean of its divisors is an integer number (1119727).

2^2239453 is an apocalyptic number.

It is an amenable number.

2239453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2239453 is an equidigital number, since it uses as much as digits as its factorization.

2239453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 28.

The square root of 2239453 is about 1496.4802036780. The cubic root of 2239453 is about 130.8320011044.

The spelling of 2239453 in words is "two million, two hundred thirty-nine thousand, four hundred fifty-three".