16972853 has 4 divisors (see below), whose sum is σ = 17085408. Its totient is φ = 16860300.

The previous prime is 16972847. The next prime is 16972861. The reversal of 16972853 is 35827961.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35827961 = 13 ⋅2755997.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16972853 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16972853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16972883) 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, 56051 + ... + 56352.

It is an arithmetic number, because the mean of its divisors is an integer number (4271352).

Almost surely, 2^16972853 is an apocalyptic number.

It is an amenable number.

16972853 is a deficient number, since it is larger than the sum of its proper divisors (112555).

16972853 is a wasteful number, since it uses less digits than its factorization.

16972853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112554.

The product of its digits is 90720, while the sum is 41.

The square root of 16972853 is about 4119.8122530038. The cubic root of 16972853 is about 256.9912183406.

The spelling of 16972853 in words is "sixteen million, nine hundred seventy-two thousand, eight hundred fifty-three".