2531054503 has 4 divisors (see below), whose sum is σ = 2679940080. Its totient is φ = 2382168928.

The previous prime is 2531054473. The next prime is 2531054567. The reversal of 2531054503 is 3054501352.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-2531054503 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 (2531084503) 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, 74442763 + ... + 74442796.

It is an arithmetic number, because the mean of its divisors is an integer number (669985020).

Almost surely, 2^2531054503 is an apocalyptic number.

2531054503 is a deficient number, since it is larger than the sum of its proper divisors (148885577).

2531054503 is a wasteful number, since it uses less digits than its factorization.

2531054503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148885576.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 2531054503 is about 50309.5865914241. The cubic root of 2531054503 is about 1362.8053581283.

Adding to 2531054503 its reverse (3054501352), we get a palindrome (5585555855).

The spelling of 2531054503 in words is "two billion, five hundred thirty-one million, fifty-four thousand, five hundred three".