1254452443 has 4 divisors (see below), whose sum is σ = 1254857760. Its totient is φ = 1254047128.

The previous prime is 1254452431. The next prime is 1254452471. The reversal of 1254452443 is 3442544521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1254452443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1254452399 and 1254452408.

It is not an unprimeable number, because it can be changed into a prime (1254452413) 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, 197980 + ... + 204217.

It is an arithmetic number, because the mean of its divisors is an integer number (313714440).

Almost surely, 2^1254452443 is an apocalyptic number.

1254452443 is a deficient number, since it is larger than the sum of its proper divisors (405317).

1254452443 is an equidigital number, since it uses as much as digits as its factorization.

1254452443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405316.

The product of its digits is 76800, while the sum is 34.

The square root of 1254452443 is about 35418.2501402878. The cubic root of 1254452443 is about 1078.4948291216.

Adding to 1254452443 its reverse (3442544521), we get a palindrome (4696996964).

The spelling of 1254452443 in words is "one billion, two hundred fifty-four million, four hundred fifty-two thousand, four hundred forty-three".