16725953 has 4 divisors (see below), whose sum is σ = 17302740. Its totient is φ = 16149168.

The previous prime is 16725901. The next prime is 16725971. The reversal of 16725953 is 35952761.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35952761 = 13 ⋅2765597.

It can be written as a sum of positive squares in 2 ways, for example, as 14010049 + 2715904 = 3743^2 + 1648^2 .

It is a cyclic number.

It is not a de Polignac number, because 16725953 - 2¹⁶ = 16660417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16721953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288350 + ... + 288407.

It is an arithmetic number, because the mean of its divisors is an integer number (4325685).

Almost surely, 2^16725953 is an apocalyptic number.

It is an amenable number.

16725953 is a deficient number, since it is larger than the sum of its proper divisors (576787).

16725953 is an equidigital number, since it uses as much as digits as its factorization.

16725953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576786.

The product of its digits is 56700, while the sum is 38.

The square root of 16725953 is about 4089.7375221400. The cubic root of 16725953 is about 255.7389968852.

The spelling of 16725953 in words is "sixteen million, seven hundred twenty-five thousand, nine hundred fifty-three".