1057312427 has 2 divisors, whose sum is σ = 1057312428. Its totient is φ = 1057312426.

The previous prime is 1057312351. The next prime is 1057312447. The reversal of 1057312427 is 7242137501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1057312427 - 2²⁰ = 1056263851 is a prime.

It is a super-2 number, since 2×1057312427² = 2235819136577260658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1057312393 and 1057312402.

It is not a weakly prime, because it can be changed into another prime (1057312447) 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, 528656213 + 528656214.

It is an arithmetic number, because the mean of its divisors is an integer number (528656214).

Almost surely, 2^1057312427 is an apocalyptic number.

1057312427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1057312427 is an equidigital number, since it uses as much as digits as its factorization.

1057312427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 1057312427 is about 32516.3409226807. The cubic root of 1057312427 is about 1018.7503686149.

Adding to 1057312427 its reverse (7242137501), we get a palindrome (8299449928).

The spelling of 1057312427 in words is "one billion, fifty-seven million, three hundred twelve thousand, four hundred twenty-seven".