252530025503 has 4 divisors (see below), whose sum is σ = 288605743440. Its totient is φ = 216454307568.

The previous prime is 252530025499. The next prime is 252530025509. The reversal of 252530025503 is 305520035252.

It is a happy number.

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 252530025503 - 2² = 252530025499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252530025503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252530025509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18037858958 + ... + 18037858971.

It is an arithmetic number, because the mean of its divisors is an integer number (72151435860).

Almost surely, 2^252530025503 is an apocalyptic number.

252530025503 is a deficient number, since it is larger than the sum of its proper divisors (36075717937).

252530025503 is an equidigital number, since it uses as much as digits as its factorization.

252530025503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36075717936.

The product of its (nonzero) digits is 45000, while the sum is 32.

The spelling of 252530025503 in words is "two hundred fifty-two billion, five hundred thirty million, twenty-five thousand, five hundred three".