163487 has 2 divisors, whose sum is σ = 163488. Its totient is φ = 163486.

The previous prime is 163483. The next prime is 163517. The reversal of 163487 is 784361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163487 - 2² = 163483 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163481) 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, 81743 + 81744.

It is an arithmetic number, because the mean of its divisors is an integer number (81744).

2¹⁶³⁴⁸⁷ is an apocalyptic number.

163487 is a deficient number, since it is larger than the sum of its proper divisors (1).

163487 is an equidigital number, since it uses as much as digits as its factorization.

163487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 29.

The square root of 163487 is about 404.3352569341. The cubic root of 163487 is about 54.6799037612.

The spelling of 163487 in words is "one hundred sixty-three thousand, four hundred eighty-seven".