16325401 has 2 divisors, whose sum is σ = 16325402. Its totient is φ = 16325400.

The previous prime is 16325383. The next prime is 16325417. The reversal of 16325401 is 10452361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10732176 + 5593225 = 3276^2 + 2365^2 .

It is an emirp because it is prime and its reverse (10452361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16325401 - 2⁷ = 16325273 is a prime.

It is not a weakly prime, because it can be changed into another prime (16325471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8162700 + 8162701.

It is an arithmetic number, because the mean of its divisors is an integer number (8162701).

Almost surely, 2^16325401 is an apocalyptic number.

It is an amenable number.

16325401 is a deficient number, since it is larger than the sum of its proper divisors (1).

16325401 is an equidigital number, since it uses as much as digits as its factorization.

16325401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 16325401 is about 4040.4703934072. The cubic root of 16325401 is about 253.6810067469.

Adding to 16325401 its reverse (10452361), we get a palindrome (26777762).

The spelling of 16325401 in words is "sixteen million, three hundred twenty-five thousand, four hundred one".