3645371 has 2 divisors, whose sum is σ = 3645372. Its totient is φ = 3645370.

The previous prime is 3645349. The next prime is 3645373. The reversal of 3645371 is 1735463.

It is a strong prime.

It is an emirp because it is prime and its reverse (1735463) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3645371 - 2⁶ = 3645307 is a prime.

Together with 3645373, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3645373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1822685 + 1822686.

It is an arithmetic number, because the mean of its divisors is an integer number (1822686).

Almost surely, 2^3645371 is an apocalyptic number.

3645371 is a deficient number, since it is larger than the sum of its proper divisors (1).

3645371 is an equidigital number, since it uses as much as digits as its factorization.

3645371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 29.

The square root of 3645371 is about 1909.2854684410. The cubic root of 3645371 is about 153.9030564318.

The spelling of 3645371 in words is "three million, six hundred forty-five thousand, three hundred seventy-one".