1330501057 has 2 divisors, whose sum is σ = 1330501058. Its totient is φ = 1330501056.

The previous prime is 1330501037. The next prime is 1330501091. The reversal of 1330501057 is 7501050331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1142372401 + 188128656 = 33799^2 + 13716^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1330501057 is a prime.

It is not a weakly prime, because it can be changed into another prime (1330501027) 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, 665250528 + 665250529.

It is an arithmetic number, because the mean of its divisors is an integer number (665250529).

Almost surely, 2^1330501057 is an apocalyptic number.

It is an amenable number.

1330501057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330501057 is an equidigital number, since it uses as much as digits as its factorization.

1330501057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1575, while the sum is 25.

The square root of 1330501057 is about 36476.0340086474. The cubic root of 1330501057 is about 1099.8625329592.

Adding to 1330501057 its reverse (7501050331), we get a palindrome (8831551388).

The spelling of 1330501057 in words is "one billion, three hundred thirty million, five hundred one thousand, fifty-seven".