16275 has 24 divisors (see below), whose sum is σ = 31744. Its totient is φ = 7200.

The previous prime is 16273. The next prime is 16301. The reversal of 16275 is 57261.

Added to its reverse (57261) it gives a triangular number (73536 = T₃₈₃).

It is not a de Polignac number, because 16275 - 2¹ = 16273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

16275 is a lucky number.

It is a plaindrome in base 11.

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 510 + ... + 540.

2¹⁶²⁷⁵ is an apocalyptic number.

16275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16275 is a deficient number, since it is larger than the sum of its proper divisors (15469).

16275 is a wasteful number, since it uses less digits than its factorization.

16275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51 (or 46 counting only the distinct ones).

The product of its digits is 420, while the sum is 21.

The square root of 16275 is about 127.5735082217. The cubic root of 16275 is about 25.3419676632.

Adding to 16275 its reverse (57261), we get a triangular number (73536 = T₃₈₃).

The spelling of 16275 in words is "sixteen thousand, two hundred seventy-five".