16925047 has 4 divisors (see below), whose sum is σ = 17920656. Its totient is φ = 15929440.

The previous prime is 16925017. The next prime is 16925053. The reversal of 16925047 is 74052961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74052961 = 2089 ⋅35449.

It is a cyclic number.

It is not a de Polignac number, because 16925047 - 2¹¹ = 16922999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16925017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497779 + ... + 497812.

It is an arithmetic number, because the mean of its divisors is an integer number (4480164).

Almost surely, 2^16925047 is an apocalyptic number.

16925047 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

16925047 is a deficient number, since it is larger than the sum of its proper divisors (995609).

16925047 is an equidigital number, since it uses as much as digits as its factorization.

16925047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995608.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 16925047 is about 4114.0061983424. The cubic root of 16925047 is about 256.7497096407.

The spelling of 16925047 in words is "sixteen million, nine hundred twenty-five thousand, forty-seven".