16240265 has 4 divisors (see below), whose sum is σ = 19488324. Its totient is φ = 12992208.

The previous prime is 16240241. The next prime is 16240271. The reversal of 16240265 is 56204261.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6901129 + 9339136 = 2627^2 + 3056^2 .

It is a cyclic number.

It is not a de Polignac number, because 16240265 - 2⁸ = 16240009 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1624022 + ... + 1624031.

It is an arithmetic number, because the mean of its divisors is an integer number (4872081).

Almost surely, 2^16240265 is an apocalyptic number.

It is an amenable number.

16240265 is a deficient number, since it is larger than the sum of its proper divisors (3248059).

16240265 is an equidigital number, since it uses as much as digits as its factorization.

16240265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248058.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 16240265 is about 4029.9212151108. The cubic root of 16240265 is about 253.2392608164.

The spelling of 16240265 in words is "sixteen million, two hundred forty thousand, two hundred sixty-five".