16531063 has 2 divisors, whose sum is σ = 16531064. Its totient is φ = 16531062.

The previous prime is 16531051. The next prime is 16531079. The reversal of 16531063 is 36013561.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16531063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16591063) 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, 8265531 + 8265532.

It is an arithmetic number, because the mean of its divisors is an integer number (8265532).

Almost surely, 2^16531063 is an apocalyptic number.

16531063 is a deficient number, since it is larger than the sum of its proper divisors (1).

16531063 is an equidigital number, since it uses as much as digits as its factorization.

16531063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 16531063 is about 4065.8409954153. The cubic root of 16531063 is about 254.7418276442.

The spelling of 16531063 in words is "sixteen million, five hundred thirty-one thousand, sixty-three".