3621269 has 2 divisors, whose sum is σ = 3621270. Its totient is φ = 3621268.

The previous prime is 3621263. The next prime is 3621271. The reversal of 3621269 is 9621263.

3621269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3020644 + 600625 = 1738^2 + 775^2 .

It is an emirp because it is prime and its reverse (9621263) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3621269 - 2⁴ = 3621253 is a prime.

It is a super-2 number, since 2×3621269² = 26227178340722, which contains 22 as substring.

Together with 3621271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3621263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1810634 + 1810635.

It is an arithmetic number, because the mean of its divisors is an integer number (1810635).

Almost surely, 2^3621269 is an apocalyptic number.

It is an amenable number.

3621269 is a deficient number, since it is larger than the sum of its proper divisors (1).

3621269 is an equidigital number, since it uses as much as digits as its factorization.

3621269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 29.

The square root of 3621269 is about 1902.9632156193. The cubic root of 3621269 is about 153.5631205993.

The spelling of 3621269 in words is "three million, six hundred twenty-one thousand, two hundred sixty-nine".