16273325 has 6 divisors (see below), whose sum is σ = 20178954. Its totient is φ = 13018640.

The previous prime is 16273319. The next prime is 16273331. The reversal of 16273325 is 52337261.

It is an interprime number because it is at equal distance from previous prime (16273319) and next prime (16273331).

It can be written as a sum of positive squares in 3 ways, for example, as 169 + 16273156 = 13^2 + 4034^2 .

It is not a de Polignac number, because 16273325 - 2⁶ = 16273261 is a prime.

It is a super-2 number, since 2×16273325² = 529642213111250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 325442 + ... + 325491.

It is an arithmetic number, because the mean of its divisors is an integer number (3363159).

Almost surely, 2^16273325 is an apocalyptic number.

It is an amenable number.

16273325 is a deficient number, since it is larger than the sum of its proper divisors (3905629).

16273325 is an equidigital number, since it uses as much as digits as its factorization.

16273325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650943 (or 650938 counting only the distinct ones).

The product of its digits is 7560, while the sum is 29.

The square root of 16273325 is about 4034.0209468965. The cubic root of 16273325 is about 253.4109824685.

The spelling of 16273325 in words is "sixteen million, two hundred seventy-three thousand, three hundred twenty-five".