2531132551 has 2 divisors, whose sum is σ = 2531132552. Its totient is φ = 2531132550.

The previous prime is 2531132537. The next prime is 2531132561. The reversal of 2531132551 is 1552311352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2531132551 - 2⁹ = 2531132039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2531132531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265566275 + 1265566276.

It is an arithmetic number, because the mean of its divisors is an integer number (1265566276).

Almost surely, 2^2531132551 is an apocalyptic number.

2531132551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2531132551 is an equidigital number, since it uses as much as digits as its factorization.

2531132551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4500, while the sum is 28.

The square root of 2531132551 is about 50310.3622626592. The cubic root of 2531132551 is about 1362.8193658787.

The spelling of 2531132551 in words is "two billion, five hundred thirty-one million, one hundred thirty-two thousand, five hundred fifty-one".