2531322553 has 2 divisors, whose sum is σ = 2531322554. Its totient is φ = 2531322552.

The previous prime is 2531322529. The next prime is 2531322571. The reversal of 2531322553 is 3552231352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1553384569 + 977937984 = 39413^2 + 31272^2 .

It is a cyclic number.

It is not a de Polignac number, because 2531322553 - 2⁹ = 2531322041 is a prime.

It is not a weakly prime, because it can be changed into another prime (2531322653) 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 as a sum of consecutive naturals, namely, 1265661276 + 1265661277.

It is an arithmetic number, because the mean of its divisors is an integer number (1265661277).

Almost surely, 2^2531322553 is an apocalyptic number.

It is an amenable number.

2531322553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2531322553 is an equidigital number, since it uses as much as digits as its factorization.

2531322553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27000, while the sum is 31.

The square root of 2531322553 is about 50312.2505260896. The cubic root of 2531322553 is about 1362.8534654923.

The spelling of 2531322553 in words is "two billion, five hundred thirty-one million, three hundred twenty-two thousand, five hundred fifty-three".