16725261 has 16 divisors (see below), whose sum is σ = 25920000. Its totient is φ = 9394608.

The previous prime is 16725251. The next prime is 16725271. The reversal of 16725261 is 16252761.

It is an interprime number because it is at equal distance from previous prime (16725251) and next prime (16725271).

It is not a de Polignac number, because 16725261 - 2¹⁷ = 16594189 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16725211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5511 + ... + 7988.

It is an arithmetic number, because the mean of its divisors is an integer number (1620000).

Almost surely, 2^16725261 is an apocalyptic number.

It is an amenable number.

16725261 is a deficient number, since it is larger than the sum of its proper divisors (9194739).

16725261 is a wasteful number, since it uses less digits than its factorization.

16725261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13568.

The product of its digits is 5040, while the sum is 30.

The square root of 16725261 is about 4089.6529192586. The cubic root of 16725261 is about 255.7354699546.

The spelling of 16725261 in words is "sixteen million, seven hundred twenty-five thousand, two hundred sixty-one".