3663533 has 2 divisors, whose sum is σ = 3663534. Its totient is φ = 3663532.

The previous prime is 3663503. The next prime is 3663547. The reversal of 3663533 is 3353663.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3052009 + 611524 = 1747^2 + 782^2 .

It is an emirp because it is prime and its reverse (3353663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3663533 - 2⁶ = 3663469 is a prime.

It is equal to p₂₆₀₉₄₈ and since 3663533 and 260948 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 3663496 and 3663505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3663503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1831766 + 1831767.

It is an arithmetic number, because the mean of its divisors is an integer number (1831767).

Almost surely, 2^3663533 is an apocalyptic number.

It is an amenable number.

3663533 is a deficient number, since it is larger than the sum of its proper divisors (1).

3663533 is an equidigital number, since it uses as much as digits as its factorization.

3663533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 29.

The square root of 3663533 is about 1914.0357885891. The cubic root of 3663533 is about 154.1582255260.

The spelling of 3663533 in words is "three million, six hundred sixty-three thousand, five hundred thirty-three".