1252530002443 has 4 divisors (see below), whose sum is σ = 1267620725448. Its totient is φ = 1237439279440.

The previous prime is 1252530002441. The next prime is 1252530002467. The reversal of 1252530002443 is 3442000352521.

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

It is a cyclic number.

It is not a de Polignac number, because 1252530002443 - 2¹ = 1252530002441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252530002441) 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, 7545361378 + ... + 7545361543.

It is an arithmetic number, because the mean of its divisors is an integer number (316905181362).

Almost surely, 2^{1252530002443} is an apocalyptic number.

1252530002443 is a deficient number, since it is larger than the sum of its proper divisors (15090723005).

1252530002443 is an equidigital number, since it uses as much as digits as its factorization.

1252530002443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15090723004.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 1252530002443 its reverse (3442000352521), we get a palindrome (4694530354964).

The spelling of 1252530002443 in words is "one trillion, two hundred fifty-two billion, five hundred thirty million, two thousand, four hundred forty-three".