2531256373 has 2 divisors, whose sum is σ = 2531256374. Its totient is φ = 2531256372.

The previous prime is 2531256331. The next prime is 2531256379. The reversal of 2531256373 is 3736521352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1427555089 + 1103701284 = 37783^2 + 33222^2 .

It is a cyclic number.

It is not a de Polignac number, because 2531256373 - 2¹⁷ = 2531125301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2531256379) 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, 1265628186 + 1265628187.

It is an arithmetic number, because the mean of its divisors is an integer number (1265628187).

Almost surely, 2^2531256373 is an apocalyptic number.

It is an amenable number.

2531256373 is a deficient number, since it is larger than the sum of its proper divisors (1).

2531256373 is an equidigital number, since it uses as much as digits as its factorization.

2531256373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 37.

The square root of 2531256373 is about 50311.5928290886. The cubic root of 2531256373 is about 1362.8415883772.

The spelling of 2531256373 in words is "two billion, five hundred thirty-one million, two hundred fifty-six thousand, three hundred seventy-three".