1057727329 has 2 divisors, whose sum is σ = 1057727330. Its totient is φ = 1057727328.

The previous prime is 1057727327. The next prime is 1057727417. The reversal of 1057727329 is 9237277501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 825987600 + 231739729 = 28740^2 + 15223^2 .

It is a cyclic number.

It is not a de Polignac number, because 1057727329 - 2¹ = 1057727327 is a prime.

It is a super-2 number, since 2×1057727329² = 2237574205026948482, which contains 22 as substring.

Together with 1057727327, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1057727323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528863664 + 528863665.

It is an arithmetic number, because the mean of its divisors is an integer number (528863665).

Almost surely, 2^1057727329 is an apocalyptic number.

It is an amenable number.

1057727329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1057727329 is an equidigital number, since it uses as much as digits as its factorization.

1057727329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 185220, while the sum is 43.

The square root of 1057727329 is about 32522.7201968101. The cubic root of 1057727329 is about 1018.8836077844.

The spelling of 1057727329 in words is "one billion, fifty-seven million, seven hundred twenty-seven thousand, three hundred twenty-nine".