252503024503 has 4 divisors (see below), whose sum is σ = 252506508408. Its totient is φ = 252499540600.

The previous prime is 252503024497. The next prime is 252503024539. The reversal of 252503024503 is 305420305252.

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 252503024503 - 2⁵ = 252503024471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252503024603) 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, 1630876 + ... + 1778977.

It is an arithmetic number, because the mean of its divisors is an integer number (63126627102).

Almost surely, 2^252503024503 is an apocalyptic number.

252503024503 is a deficient number, since it is larger than the sum of its proper divisors (3483905).

252503024503 is an equidigital number, since it uses as much as digits as its factorization.

252503024503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3483904.

The product of its (nonzero) digits is 36000, while the sum is 31.

Adding to 252503024503 its reverse (305420305252), we get a palindrome (557923329755).

The spelling of 252503024503 in words is "two hundred fifty-two billion, five hundred three million, twenty-four thousand, five hundred three".