832297621 has 2 divisors, whose sum is σ = 832297622. Its totient is φ = 832297620.

The previous prime is 832297561. The next prime is 832297649. The reversal of 832297621 is 126792238.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 739078596 + 93219025 = 27186^2 + 9655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-832297621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (832297691) 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, 416148810 + 416148811.

It is an arithmetic number, because the mean of its divisors is an integer number (416148811).

Almost surely, 2^832297621 is an apocalyptic number.

It is an amenable number.

832297621 is a deficient number, since it is larger than the sum of its proper divisors (1).

832297621 is an equidigital number, since it uses as much as digits as its factorization.

832297621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 40.

The square root of 832297621 is about 28849.5688182683. The cubic root of 832297621 is about 940.6460102090.

The spelling of 832297621 in words is "eight hundred thirty-two million, two hundred ninety-seven thousand, six hundred twenty-one".