1255750231 has 2 divisors, whose sum is σ = 1255750232. Its totient is φ = 1255750230.

The previous prime is 1255750187. The next prime is 1255750259. The reversal of 1255750231 is 1320575521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1255750231 - 2⁷ = 1255750103 is a prime.

It is a super-2 number, since 2×1255750231² = 3153817285313106722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1255750193 and 1255750202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1255750931) 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, 627875115 + 627875116.

It is an arithmetic number, because the mean of its divisors is an integer number (627875116).

Almost surely, 2^1255750231 is an apocalyptic number.

1255750231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255750231 is an equidigital number, since it uses as much as digits as its factorization.

1255750231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 1255750231 is about 35436.5662981051. The cubic root of 1255750231 is about 1078.8666182271.

The spelling of 1255750231 in words is "one billion, two hundred fifty-five million, seven hundred fifty thousand, two hundred thirty-one".