3200149 has 2 divisors, whose sum is σ = 3200150. Its totient is φ = 3200148.

The previous prime is 3200137. The next prime is 3200159. The reversal of 3200149 is 9410023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3186225 + 13924 = 1785^2 + 118^2 .

It is a cyclic number.

It is not a de Polignac number, because 3200149 - 2⁵ = 3200117 is a prime.

It is an Ulam number.

3200149 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3200129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600074 + 1600075.

It is an arithmetic number, because the mean of its divisors is an integer number (1600075).

Almost surely, 2^3200149 is an apocalyptic number.

It is an amenable number.

3200149 is a deficient number, since it is larger than the sum of its proper divisors (1).

3200149 is an equidigital number, since it uses as much as digits as its factorization.

3200149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 3200149 is about 1788.8960282811. The cubic root of 3200149 is about 147.3635470797.

It can be divided in two parts, 320014 and 9, that added together give a palindrome (320023).

The spelling of 3200149 in words is "three million, two hundred thousand, one hundred forty-nine".