3641263 has 2 divisors, whose sum is σ = 3641264. Its totient is φ = 3641262.

The previous prime is 3641243. The next prime is 3641311. The reversal of 3641263 is 3621463.

It is a weak prime.

It is an emirp because it is prime and its reverse (3621463) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3641263 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, 1820631 + 1820632.

It is an arithmetic number, because the mean of its divisors is an integer number (1820632).

Almost surely, 2^3641263 is an apocalyptic number.

3641263 is a deficient number, since it is larger than the sum of its proper divisors (1).

3641263 is an equidigital number, since it uses as much as digits as its factorization.

3641263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 25.

The square root of 3641263 is about 1908.2093700640. The cubic root of 3641263 is about 153.8452231418.

The spelling of 3641263 in words is "three million, six hundred forty-one thousand, two hundred sixty-three".