3641237 has 2 divisors, whose sum is σ = 3641238. Its totient is φ = 3641236.

The previous prime is 3641233. The next prime is 3641243. The reversal of 3641237 is 7321463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2540836 + 1100401 = 1594^2 + 1049^2 .

It is a cyclic number.

It is not a de Polignac number, because 3641237 - 2² = 3641233 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3641233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1820618 + 1820619.

It is an arithmetic number, because the mean of its divisors is an integer number (1820619).

Almost surely, 2^3641237 is an apocalyptic number.

It is an amenable number.

3641237 is a deficient number, since it is larger than the sum of its proper divisors (1).

3641237 is an equidigital number, since it uses as much as digits as its factorization.

3641237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 26.

The square root of 3641237 is about 1908.2025573822. The cubic root of 3641237 is about 153.8448569698.

The spelling of 3641237 in words is "three million, six hundred forty-one thousand, two hundred thirty-seven".