16415265 has 16 divisors (see below), whose sum is σ = 26425728. Its totient is φ = 8701056.

The previous prime is 16415263. The next prime is 16415279. The reversal of 16415265 is 56251461.

It is not a de Polignac number, because 16415265 - 2¹ = 16415263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16415263) 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 15 ways as a sum of consecutive naturals, for example, 772 + ... + 5781.

It is an arithmetic number, because the mean of its divisors is an integer number (1651608).

Almost surely, 2^16415265 is an apocalyptic number.

16415265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16415265 is a deficient number, since it is larger than the sum of its proper divisors (10010463).

16415265 is a wasteful number, since it uses less digits than its factorization.

16415265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6728.

The product of its digits is 7200, while the sum is 30.

The square root of 16415265 is about 4051.5756194350. The cubic root of 16415265 is about 254.1456219549.

The spelling of 16415265 in words is "sixteen million, four hundred fifteen thousand, two hundred sixty-five".