16925397 has 8 divisors (see below), whose sum is σ = 22821120. Its totient is φ = 11156640.

The previous prime is 16925393. The next prime is 16925399. The reversal of 16925397 is 79352961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16925397 - 2² = 16925393 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16925393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31429 + ... + 31962.

It is an arithmetic number, because the mean of its divisors is an integer number (2852640).

Almost surely, 2^16925397 is an apocalyptic number.

It is an amenable number.

16925397 is a deficient number, since it is larger than the sum of its proper divisors (5895723).

16925397 is an equidigital number, since it uses as much as digits as its factorization.

16925397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63483.

The product of its digits is 102060, while the sum is 42.

The square root of 16925397 is about 4114.0487357347. The cubic root of 16925397 is about 256.7514794394.

The spelling of 16925397 in words is "sixteen million, nine hundred twenty-five thousand, three hundred ninety-seven".