3431237 has 2 divisors, whose sum is σ = 3431238. Its totient is φ = 3431236.

The previous prime is 3431221. The next prime is 3431243. The reversal of 3431237 is 7321343.

It is a happy number.

3431237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3118756 + 312481 = 1766^2 + 559^2 .

It is a cyclic number.

It is not a de Polignac number, because 3431237 - 2⁴ = 3431221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3431287) 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, 1715618 + 1715619.

It is an arithmetic number, because the mean of its divisors is an integer number (1715619).

Almost surely, 2^3431237 is an apocalyptic number.

It is an amenable number.

3431237 is a deficient number, since it is larger than the sum of its proper divisors (1).

3431237 is an equidigital number, since it uses as much as digits as its factorization.

3431237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 23.

The square root of 3431237 is about 1852.3598462502. The cubic root of 3431237 is about 150.8285556179.

The spelling of 3431237 in words is "three million, four hundred thirty-one thousand, two hundred thirty-seven".