16285481 has 2 divisors, whose sum is σ = 16285482. Its totient is φ = 16285480.

The previous prime is 16285471. The next prime is 16285517. The reversal of 16285481 is 18458261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10621081 + 5664400 = 3259^2 + 2380^2 .

It is a cyclic number.

It is not a de Polignac number, because 16285481 - 2⁶ = 16285417 is a prime.

It is a super-2 number, since 2×16285481² = 530433782802722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16285411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8142740 + 8142741.

It is an arithmetic number, because the mean of its divisors is an integer number (8142741).

Almost surely, 2^16285481 is an apocalyptic number.

It is an amenable number.

16285481 is a deficient number, since it is larger than the sum of its proper divisors (1).

16285481 is an equidigital number, since it uses as much as digits as its factorization.

16285481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15360, while the sum is 35.

The square root of 16285481 is about 4035.5273509171. The cubic root of 16285481 is about 253.4740651964.

The spelling of 16285481 in words is "sixteen million, two hundred eighty-five thousand, four hundred eighty-one".