97832513 has 2 divisors, whose sum is σ = 97832514. Its totient is φ = 97832512.

The previous prime is 97832507. The next prime is 97832531. The reversal of 97832513 is 31523879.

Together with next prime (97832531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71031184 + 26801329 = 8428^2 + 5177^2 .

It is a cyclic number.

It is not a de Polignac number, because 97832513 - 2¹² = 97828417 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (97832543) 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, 48916256 + 48916257.

It is an arithmetic number, because the mean of its divisors is an integer number (48916257).

Almost surely, 2^97832513 is an apocalyptic number.

It is an amenable number.

97832513 is a deficient number, since it is larger than the sum of its proper divisors (1).

97832513 is an equidigital number, since it uses as much as digits as its factorization.

97832513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 38.

The square root of 97832513 is about 9891.0319481842. The cubic root of 97832513 is about 460.7808304084.

The spelling of 97832513 in words is "ninety-seven million, eight hundred thirty-two thousand, five hundred thirteen".