832545491 has 2 divisors, whose sum is σ = 832545492. Its totient is φ = 832545490.

The previous prime is 832545463. The next prime is 832545521. The reversal of 832545491 is 194545238.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-832545491 is a prime.

It is not a weakly prime, because it can be changed into another prime (832545431) 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, 416272745 + 416272746.

It is an arithmetic number, because the mean of its divisors is an integer number (416272746).

Almost surely, 2^832545491 is an apocalyptic number.

832545491 is a deficient number, since it is larger than the sum of its proper divisors (1).

832545491 is an equidigital number, since it uses as much as digits as its factorization.

832545491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 41.

The square root of 832545491 is about 28853.8644032303. The cubic root of 832545491 is about 940.7393801681.

The spelling of 832545491 in words is "eight hundred thirty-two million, five hundred forty-five thousand, four hundred ninety-one".