3662533 has 4 divisors (see below), whose sum is σ = 4185760. Its totient is φ = 3139308.

The previous prime is 3662521. The next prime is 3662537. The reversal of 3662533 is 3352663.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3352663 = 181 ⋅18523.

It is a cyclic number.

It is not a de Polignac number, because 3662533 - 2²¹ = 1565381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3662537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261603 + ... + 261616.

It is an arithmetic number, because the mean of its divisors is an integer number (1046440).

Almost surely, 2^3662533 is an apocalyptic number.

It is an amenable number.

3662533 is a deficient number, since it is larger than the sum of its proper divisors (523227).

3662533 is an equidigital number, since it uses as much as digits as its factorization.

3662533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523226.

The product of its digits is 9720, while the sum is 28.

The square root of 3662533 is about 1913.7745426251. The cubic root of 3662533 is about 154.1441978780.

The spelling of 3662533 in words is "three million, six hundred sixty-two thousand, five hundred thirty-three".