3671231 has 2 divisors, whose sum is σ = 3671232. Its totient is φ = 3671230.

The previous prime is 3671221. The next prime is 3671267. The reversal of 3671231 is 1321763.

It is a happy number.

3671231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (1321763) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3671231 is a prime.

It is a super-2 number, since 2×3671231² = 26955874110722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3671197 and 3671206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3671221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1835615 + 1835616.

It is an arithmetic number, because the mean of its divisors is an integer number (1835616).

Almost surely, 2^3671231 is an apocalyptic number.

3671231 is a deficient number, since it is larger than the sum of its proper divisors (1).

3671231 is an equidigital number, since it uses as much as digits as its factorization.

3671231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756, while the sum is 23.

The square root of 3671231 is about 1916.0456675142. The cubic root of 3671231 is about 154.2661249951.

Adding to 3671231 its reverse (1321763), we get a palindrome (4992994).

The spelling of 3671231 in words is "three million, six hundred seventy-one thousand, two hundred thirty-one".