2531488723 has 2 divisors, whose sum is σ = 2531488724. Its totient is φ = 2531488722.

The previous prime is 2531488697. The next prime is 2531488727. The reversal of 2531488723 is 3278841352.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2531488723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2531488723.

It is not a weakly prime, because it can be changed into another prime (2531488727) 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 as a sum of consecutive naturals, namely, 1265744361 + 1265744362.

It is an arithmetic number, because the mean of its divisors is an integer number (1265744362).

Almost surely, 2^2531488723 is an apocalyptic number.

2531488723 is a deficient number, since it is larger than the sum of its proper divisors (1).

2531488723 is an equidigital number, since it uses as much as digits as its factorization.

2531488723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 43.

The square root of 2531488723 is about 50313.9018860593. The cubic root of 2531488723 is about 1362.8832865839.

The spelling of 2531488723 in words is "two billion, five hundred thirty-one million, four hundred eighty-eight thousand, seven hundred twenty-three".