3653081 has 2 divisors, whose sum is σ = 3653082. Its totient is φ = 3653080.

The previous prime is 3653077. The next prime is 3653129. The reversal of 3653081 is 1803563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3553225 + 99856 = 1885^2 + 316^2 .

It is an emirp because it is prime and its reverse (1803563) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3653081 - 2² = 3653077 is a prime.

It is a super-2 number, since 2×3653081² = 26690001585122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3653081.

It is not a weakly prime, because it can be changed into another prime (3653051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1826540 + 1826541.

It is an arithmetic number, because the mean of its divisors is an integer number (1826541).

Almost surely, 2^3653081 is an apocalyptic number.

It is an amenable number.

3653081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3653081 is an equidigital number, since it uses as much as digits as its factorization.

3653081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 3653081 is about 1911.3034819201. The cubic root of 3653081 is about 154.0114822495.

The spelling of 3653081 in words is "three million, six hundred fifty-three thousand, eighty-one".