16725133 has 4 divisors (see below), whose sum is σ = 16799040. Its totient is φ = 16651228.

The previous prime is 16725119. The next prime is 16725139. The reversal of 16725133 is 33152761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16725133 - 2²¹ = 14627981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16725139) 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, 36613 + ... + 37066.

It is an arithmetic number, because the mean of its divisors is an integer number (4199760).

Almost surely, 2^16725133 is an apocalyptic number.

It is an amenable number.

16725133 is a deficient number, since it is larger than the sum of its proper divisors (73907).

16725133 is an equidigital number, since it uses as much as digits as its factorization.

16725133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73906.

The product of its digits is 3780, while the sum is 28.

The square root of 16725133 is about 4089.6372699788. The cubic root of 16725133 is about 255.7348175637.

Adding to 16725133 its reverse (33152761), we get a palindrome (49877894).

The spelling of 16725133 in words is "sixteen million, seven hundred twenty-five thousand, one hundred thirty-three".