16472251 has 4 divisors (see below), whose sum is σ = 16525192. Its totient is φ = 16419312.

The previous prime is 16472227. The next prime is 16472273. The reversal of 16472251 is 15227461.

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 16472251 - 2⁵ = 16472219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16472851) 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, 26001 + ... + 26626.

It is an arithmetic number, because the mean of its divisors is an integer number (4131298).

Almost surely, 2^16472251 is an apocalyptic number.

16472251 is a deficient number, since it is larger than the sum of its proper divisors (52941).

16472251 is an equidigital number, since it uses as much as digits as its factorization.

16472251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52940.

The product of its digits is 3360, while the sum is 28.

The square root of 16472251 is about 4058.6020992455. The cubic root of 16472251 is about 254.4393732405.

The spelling of 16472251 in words is "sixteen million, four hundred seventy-two thousand, two hundred fifty-one".