16725893 has 2 divisors, whose sum is σ = 16725894. Its totient is φ = 16725892.

The previous prime is 16725883. The next prime is 16725901. The reversal of 16725893 is 39852761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16337764 + 388129 = 4042^2 + 623^2 .

It is a cyclic number.

It is not a de Polignac number, because 16725893 - 2¹⁸ = 16463749 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16725893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16725823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8362946 + 8362947.

It is an arithmetic number, because the mean of its divisors is an integer number (8362947).

Almost surely, 2^16725893 is an apocalyptic number.

It is an amenable number.

16725893 is a deficient number, since it is larger than the sum of its proper divisors (1).

16725893 is an equidigital number, since it uses as much as digits as its factorization.

16725893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The square root of 16725893 is about 4089.7301866994. The cubic root of 16725893 is about 255.7386910858.

The spelling of 16725893 in words is "sixteen million, seven hundred twenty-five thousand, eight hundred ninety-three".