659898413 has 2 divisors, whose sum is σ = 659898414. Its totient is φ = 659898412.

The previous prime is 659898391. The next prime is 659898431. The reversal of 659898413 is 314898956.

Together with next prime (659898431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 554979364 + 104919049 = 23558^2 + 10243^2 .

It is a cyclic number.

It is not a de Polignac number, because 659898413 - 2¹⁸ = 659636269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (659898013) 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, 329949206 + 329949207.

It is an arithmetic number, because the mean of its divisors is an integer number (329949207).

Almost surely, 2^659898413 is an apocalyptic number.

It is an amenable number.

659898413 is a deficient number, since it is larger than the sum of its proper divisors (1).

659898413 is an equidigital number, since it uses as much as digits as its factorization.

659898413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 53.

The square root of 659898413 is about 25688.4879469384. The cubic root of 659898413 is about 870.6140963140.

The spelling of 659898413 in words is "six hundred fifty-nine million, eight hundred ninety-eight thousand, four hundred thirteen".