16933225 has 9 divisors (see below), whose sum is σ = 21022743. Its totient is φ = 13530120.

The previous prime is 16933211. The next prime is 16933243. The reversal of 16933225 is 52233961.

The square root of 16933225 is 4115.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6095961 + 10837264 = 2469^2 + 3292^2 .

It is not a de Polignac number, because 16933225 - 2²³ = 8544617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 20164 + ... + 20986.

Almost surely, 2^16933225 is an apocalyptic number.

16933225 is the 4115-th square number.

16933225 is the 2058-th centered octagonal number.

It is an amenable number.

16933225 is a deficient number, since it is larger than the sum of its proper divisors (4089518).

16933225 is an frugal number, since it uses more digits than its factorization.

16933225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656 (or 828 counting only the distinct ones).

The product of its digits is 9720, while the sum is 31.

The cubic root of 16933225 is about 256.7910558781.

The spelling of 16933225 in words is "sixteen million, nine hundred thirty-three thousand, two hundred twenty-five".