16923125 has 10 divisors (see below), whose sum is σ = 21147918. Its totient is φ = 13538000.

The previous prime is 16923107. The next prime is 16923133. The reversal of 16923125 is 52132961.

It can be written as a sum of positive squares in 5 ways, for example, as 3775249 + 13147876 = 1943^2 + 3626^2 .

It is not a de Polignac number, because 16923125 - 2¹⁴ = 16906741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12914 + ... + 14163.

Almost surely, 2^16923125 is an apocalyptic number.

It is an amenable number.

16923125 is a deficient number, since it is larger than the sum of its proper divisors (4224793).

16923125 is an frugal number, since it uses more digits than its factorization.

16923125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27097 (or 27082 counting only the distinct ones).

The product of its digits is 3240, while the sum is 29.

The square root of 16923125 is about 4113.7725994517. The cubic root of 16923125 is about 256.7399904826.

The spelling of 16923125 in words is "sixteen million, nine hundred twenty-three thousand, one hundred twenty-five".