1057245571 has 2 divisors, whose sum is σ = 1057245572. Its totient is φ = 1057245570.

The previous prime is 1057245559. The next prime is 1057245611. The reversal of 1057245571 is 1755427501.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1057245571 is a prime.

It is a super-2 number, since 2×1057245571² = 2235536394798232082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1057245571.

It is not a weakly prime, because it can be changed into another prime (1057045571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528622785 + 528622786.

It is an arithmetic number, because the mean of its divisors is an integer number (528622786).

Almost surely, 2^1057245571 is an apocalyptic number.

1057245571 is a deficient number, since it is larger than the sum of its proper divisors (1).

1057245571 is an equidigital number, since it uses as much as digits as its factorization.

1057245571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49000, while the sum is 37.

The square root of 1057245571 is about 32515.3128694774. The cubic root of 1057245571 is about 1018.7288956146.

The spelling of 1057245571 in words is "one billion, fifty-seven million, two hundred forty-five thousand, five hundred seventy-one".