659346487 has 2 divisors, whose sum is σ = 659346488. Its totient is φ = 659346486.

The previous prime is 659346481. The next prime is 659346517. The reversal of 659346487 is 784643956.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-659346487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (659346481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329673243 + 329673244.

It is an arithmetic number, because the mean of its divisors is an integer number (329673244).

Almost surely, 2^659346487 is an apocalyptic number.

659346487 is a deficient number, since it is larger than the sum of its proper divisors (1).

659346487 is an equidigital number, since it uses as much as digits as its factorization.

659346487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 52.

The square root of 659346487 is about 25677.7430277663. The cubic root of 659346487 is about 870.3713071347.

The spelling of 659346487 in words is "six hundred fifty-nine million, three hundred forty-six thousand, four hundred eighty-seven".