16280265 has 8 divisors (see below), whose sum is σ = 26048448. Its totient is φ = 8682800.

The previous prime is 16280233. The next prime is 16280269. The reversal of 16280265 is 56208261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16280265 - 2⁵ = 16280233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16280269) 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 in 7 ways as a sum of consecutive naturals, for example, 542661 + ... + 542690.

It is an arithmetic number, because the mean of its divisors is an integer number (3256056).

Almost surely, 2^16280265 is an apocalyptic number.

16280265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16280265 is a deficient number, since it is larger than the sum of its proper divisors (9768183).

16280265 is a wasteful number, since it uses less digits than its factorization.

16280265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085359.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 16280265 is about 4034.8810391386. The cubic root of 16280265 is about 253.4470009686.

The spelling of 16280265 in words is "sixteen million, two hundred eighty thousand, two hundred sixty-five".