252653232443 has 4 divisors (see below), whose sum is σ = 256935490680. Its totient is φ = 248370974208.

The previous prime is 252653232361. The next prime is 252653232451. The reversal of 252653232443 is 344232356252.

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 252653232443 - 2²⁸ = 252384796987 is a prime.

It is a super-3 number, since 3×252653232443³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252653232443.

It is not an unprimeable number, because it can be changed into a prime (252653232743) 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, 2141129030 + ... + 2141129147.

It is an arithmetic number, because the mean of its divisors is an integer number (64233872670).

Almost surely, 2^252653232443 is an apocalyptic number.

252653232443 is a deficient number, since it is larger than the sum of its proper divisors (4282258237).

252653232443 is an equidigital number, since it uses as much as digits as its factorization.

252653232443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4282258236.

The product of its digits is 1036800, while the sum is 41.

Adding to 252653232443 its reverse (344232356252), we get a palindrome (596885588695).

The spelling of 252653232443 in words is "two hundred fifty-two billion, six hundred fifty-three million, two hundred thirty-two thousand, four hundred forty-three".