3645377 has 2 divisors, whose sum is σ = 3645378. Its totient is φ = 3645376.

The previous prime is 3645373. The next prime is 3645391. The reversal of 3645377 is 7735463.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3418801 + 226576 = 1849^2 + 476^2 .

It is an emirp because it is prime and its reverse (7735463) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3645377 - 2² = 3645373 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3645371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1822688 + 1822689.

It is an arithmetic number, because the mean of its divisors is an integer number (1822689).

Almost surely, 2^3645377 is an apocalyptic number.

It is an amenable number.

3645377 is a deficient number, since it is larger than the sum of its proper divisors (1).

3645377 is an equidigital number, since it uses as much as digits as its factorization.

3645377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 35.

The square root of 3645377 is about 1909.2870397088. The cubic root of 3645377 is about 153.9031408693.

The spelling of 3645377 in words is "three million, six hundred forty-five thousand, three hundred seventy-seven".