16725629 has 2 divisors, whose sum is σ = 16725630. Its totient is φ = 16725628.

The previous prime is 16725617. The next prime is 16725661. The reversal of 16725629 is 92652761.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15784729 + 940900 = 3973^2 + 970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16725629 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16725592 and 16725601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16725689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8362814 + 8362815.

It is an arithmetic number, because the mean of its divisors is an integer number (8362815).

Almost surely, 2^16725629 is an apocalyptic number.

It is an amenable number.

16725629 is a deficient number, since it is larger than the sum of its proper divisors (1).

16725629 is an equidigital number, since it uses as much as digits as its factorization.

16725629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 16725629 is about 4089.6979106042. The cubic root of 16725629 is about 255.7373455599.

The spelling of 16725629 in words is "sixteen million, seven hundred twenty-five thousand, six hundred twenty-nine".