16245973 has 4 divisors (see below), whose sum is σ = 16591680. Its totient is φ = 15900268.

The previous prime is 16245961. The next prime is 16245979. The reversal of 16245973 is 37954261.

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.

It is a cyclic number.

It is not a de Polignac number, because 16245973 - 2⁵ = 16245941 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 (16245979) 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, 172783 + ... + 172876.

It is an arithmetic number, because the mean of its divisors is an integer number (4147920).

Almost surely, 2^16245973 is an apocalyptic number.

It is an amenable number.

16245973 is a deficient number, since it is larger than the sum of its proper divisors (345707).

16245973 is an equidigital number, since it uses as much as digits as its factorization.

16245973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345706.

The product of its digits is 45360, while the sum is 37.

The square root of 16245973 is about 4030.6293553241. The cubic root of 16245973 is about 253.2689261858.

The spelling of 16245973 in words is "sixteen million, two hundred forty-five thousand, nine hundred seventy-three".