2531052047 has 4 divisors (see below), whose sum is σ = 2578807800. Its totient is φ = 2483296296.

The previous prime is 2531052031. The next prime is 2531052061. The reversal of 2531052047 is 7402501352.

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 2531052047 - 2⁴ = 2531052031 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 (2531052067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23877797 + ... + 23877902.

It is an arithmetic number, because the mean of its divisors is an integer number (644701950).

Almost surely, 2^2531052047 is an apocalyptic number.

2531052047 is a deficient number, since it is larger than the sum of its proper divisors (47755753).

2531052047 is an equidigital number, since it uses as much as digits as its factorization.

2531052047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47755752.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 2531052047 is about 50309.5621825513. The cubic root of 2531052047 is about 1362.8049173303.

Adding to 2531052047 its reverse (7402501352), we get a palindrome (9933553399).

The spelling of 2531052047 in words is "two billion, five hundred thirty-one million, fifty-two thousand, forty-seven".