16305001 has 2 divisors, whose sum is σ = 16305002. Its totient is φ = 16305000.

The previous prime is 16304993. The next prime is 16305007. The reversal of 16305001 is 10050361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14055001 + 2250000 = 3749^2 + 1500^2 .

It is a cyclic number.

It is not a de Polignac number, because 16305001 - 2³ = 16304993 is a prime.

It is a super-2 number, since 2×16305001² = 531706115220002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16305007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8152500 + 8152501.

It is an arithmetic number, because the mean of its divisors is an integer number (8152501).

Almost surely, 2^16305001 is an apocalyptic number.

It is an amenable number.

16305001 is a deficient number, since it is larger than the sum of its proper divisors (1).

16305001 is an equidigital number, since it uses as much as digits as its factorization.

16305001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 16305001 is about 4037.9451457394. The cubic root of 16305001 is about 253.5752972535.

Adding to 16305001 its reverse (10050361), we get a palindrome (26355362).

The spelling of 16305001 in words is "sixteen million, three hundred five thousand, one".