16225841 has 2 divisors, whose sum is σ = 16225842. Its totient is φ = 16225840.

The previous prime is 16225831. The next prime is 16225861. The reversal of 16225841 is 14852261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13653025 + 2572816 = 3695^2 + 1604^2 .

It is an emirp because it is prime and its reverse (14852261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16225841 - 2⁶ = 16225777 is a prime.

It is not a weakly prime, because it can be changed into another prime (16225831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8112920 + 8112921.

It is an arithmetic number, because the mean of its divisors is an integer number (8112921).

Almost surely, 2^16225841 is an apocalyptic number.

It is an amenable number.

16225841 is a deficient number, since it is larger than the sum of its proper divisors (1).

16225841 is an equidigital number, since it uses as much as digits as its factorization.

16225841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 29.

The square root of 16225841 is about 4028.1312044173. The cubic root of 16225841 is about 253.1642660418.

The spelling of 16225841 in words is "sixteen million, two hundred twenty-five thousand, eight hundred forty-one".