3187201 has 2 divisors, whose sum is σ = 3187202. Its totient is φ = 3187200.

The previous prime is 3187169. The next prime is 3187213. The reversal of 3187201 is 1027813.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2808976 + 378225 = 1676^2 + 615^2 .

It is a cyclic number.

It is not a de Polignac number, because 3187201 - 2⁵ = 3187169 is a prime.

It is an Ulam number.

3187201 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3187241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1593600 + 1593601.

It is an arithmetic number, because the mean of its divisors is an integer number (1593601).

Almost surely, 2^3187201 is an apocalyptic number.

It is an amenable number.

3187201 is a deficient number, since it is larger than the sum of its proper divisors (1).

3187201 is an equidigital number, since it uses as much as digits as its factorization.

3187201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 3187201 is about 1785.2733684229. The cubic root of 3187201 is about 147.1645310976.

The spelling of 3187201 in words is "three million, one hundred eighty-seven thousand, two hundred one".