16797925 has 6 divisors (see below), whose sum is σ = 20829458. Its totient is φ = 13438320.

The previous prime is 16797871. The next prime is 16797943. The reversal of 16797925 is 52979761.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 5387041 + 11410884 = 2321^2 + 3378^2 .

It is not a de Polignac number, because 16797925 - 2¹³ = 16789733 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 335934 + ... + 335983.

Almost surely, 2^16797925 is an apocalyptic number.

It is an amenable number.

16797925 is a deficient number, since it is larger than the sum of its proper divisors (4031533).

16797925 is an equidigital number, since it uses as much as digits as its factorization.

16797925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671927 (or 671922 counting only the distinct ones).

The product of its digits is 238140, while the sum is 46.

The square root of 16797925 is about 4098.5271744860. The cubic root of 16797925 is about 256.1052881119.

It can be divided in two parts, 1679 and 7925, that added together give a square (9604 = 98²).

The spelling of 16797925 in words is "sixteen million, seven hundred ninety-seven thousand, nine hundred twenty-five".