16325305 has 4 divisors (see below), whose sum is σ = 19590372. Its totient is φ = 13060240.

The previous prime is 16325303. The next prime is 16325329. The reversal of 16325305 is 50352361.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2812329 + 13512976 = 1677^2 + 3676^2 .

It is not a de Polignac number, because 16325305 - 2¹ = 16325303 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 16325305.

It is not an unprimeable number, because it can be changed into a prime (16325303) 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, 1632526 + ... + 1632535.

It is an arithmetic number, because the mean of its divisors is an integer number (4897593).

Almost surely, 2^16325305 is an apocalyptic number.

It is an amenable number.

16325305 is a deficient number, since it is larger than the sum of its proper divisors (3265067).

16325305 is an equidigital number, since it uses as much as digits as its factorization.

16325305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3265066.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 16325305 is about 4040.4585135848. The cubic root of 16325305 is about 253.6805094968.

Adding to 16325305 its reverse (50352361), we get a palindrome (66677666).

The spelling of 16325305 in words is "sixteen million, three hundred twenty-five thousand, three hundred five".