6631452503 has 4 divisors (see below), whose sum is σ = 7141564248. Its totient is φ = 6121340760.

The previous prime is 6631452481. The next prime is 6631452517. The reversal of 6631452503 is 3052541366.

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 6631452503 - 2²² = 6627258199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6631452103) 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, 255055853 + ... + 255055878.

It is an arithmetic number, because the mean of its divisors is an integer number (1785391062).

Almost surely, 2^6631452503 is an apocalyptic number.

6631452503 is a deficient number, since it is larger than the sum of its proper divisors (510111745).

6631452503 is a wasteful number, since it uses less digits than its factorization.

6631452503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510111744.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 6631452503 is about 81433.7307446982. The cubic root of 6631452503 is about 1878.7524263071.

Adding to 6631452503 its reverse (3052541366), we get a palindrome (9683993869).

The spelling of 6631452503 in words is "six billion, six hundred thirty-one million, four hundred fifty-two thousand, five hundred three".