16452971 has 4 divisors (see below), whose sum is σ = 16983744. Its totient is φ = 15922200.

The previous prime is 16452967. The next prime is 16452973. The reversal of 16452971 is 17925461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16452971 - 2² = 16452967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16452973) 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, 265340 + ... + 265401.

It is an arithmetic number, because the mean of its divisors is an integer number (4245936).

Almost surely, 2^16452971 is an apocalyptic number.

16452971 is a deficient number, since it is larger than the sum of its proper divisors (530773).

16452971 is an equidigital number, since it uses as much as digits as its factorization.

16452971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530772.

The product of its digits is 15120, while the sum is 35.

The square root of 16452971 is about 4056.2262017792. The cubic root of 16452971 is about 254.3400646866.

It can be divided in two parts, 164 and 52971, that added together give a palindrome (53135).

The spelling of 16452971 in words is "sixteen million, four hundred fifty-two thousand, nine hundred seventy-one".