1157329529 has 2 divisors, whose sum is σ = 1157329530. Its totient is φ = 1157329528.

The previous prime is 1157329483. The next prime is 1157329543. The reversal of 1157329529 is 9259237511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 819505129 + 337824400 = 28627^2 + 18380^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1157329529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1157329529.

It is not a weakly prime, because it can be changed into another prime (1157319529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578664764 + 578664765.

It is an arithmetic number, because the mean of its divisors is an integer number (578664765).

Almost surely, 2^1157329529 is an apocalyptic number.

It is an amenable number.

1157329529 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157329529 is an equidigital number, since it uses as much as digits as its factorization.

1157329529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 170100, while the sum is 44.

The square root of 1157329529 is about 34019.5462785734. The cubic root of 1157329529 is about 1049.9106587628.

The spelling of 1157329529 in words is "one billion, one hundred fifty-seven million, three hundred twenty-nine thousand, five hundred twenty-nine".