659956351 has 2 divisors, whose sum is σ = 659956352. Its totient is φ = 659956350.

The previous prime is 659956327. The next prime is 659956361. The reversal of 659956351 is 153659956.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 659956351 - 2¹⁹ = 659432063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 659956295 and 659956304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (659956301) 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, 329978175 + 329978176.

It is an arithmetic number, because the mean of its divisors is an integer number (329978176).

Almost surely, 2^659956351 is an apocalyptic number.

659956351 is a deficient number, since it is larger than the sum of its proper divisors (1).

659956351 is an equidigital number, since it uses as much as digits as its factorization.

659956351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1093500, while the sum is 49.

The square root of 659956351 is about 25689.6156257738. The cubic root of 659956351 is about 870.6395750656.

The spelling of 659956351 in words is "six hundred fifty-nine million, nine hundred fifty-six thousand, three hundred fifty-one".