2531503463 has 4 divisors (see below), whose sum is σ = 2531617608. Its totient is φ = 2531389320.

The previous prime is 2531503459. The next prime is 2531503489. The reversal of 2531503463 is 3643051352.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2531503463 - 2² = 2531503459 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 (2531503423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11873 + ... + 72138.

It is an arithmetic number, because the mean of its divisors is an integer number (632904402).

Almost surely, 2^2531503463 is an apocalyptic number.

2531503463 is a deficient number, since it is larger than the sum of its proper divisors (114145).

2531503463 is an equidigital number, since it uses as much as digits as its factorization.

2531503463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114144.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 2531503463 is about 50314.0483662366. The cubic root of 2531503463 is about 1362.8859317811.

The spelling of 2531503463 in words is "two billion, five hundred thirty-one million, five hundred three thousand, four hundred sixty-three".