33663241 has 4 divisors (see below), whose sum is σ = 34749184. Its totient is φ = 32577300.

The previous prime is 33663239. The next prime is 33663251. The reversal of 33663241 is 14236633.

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.

It is a cyclic number.

It is not a de Polignac number, because 33663241 - 2¹ = 33663239 is a prime.

It is a super-2 number, since 2×33663241² = 2266427589248162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33663221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542925 + ... + 542986.

It is an arithmetic number, because the mean of its divisors is an integer number (8687296).

Almost surely, 2^33663241 is an apocalyptic number.

33663241 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

33663241 is a deficient number, since it is larger than the sum of its proper divisors (1085943).

33663241 is a wasteful number, since it uses less digits than its factorization.

33663241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085942.

The product of its digits is 7776, while the sum is 28.

The square root of 33663241 is about 5802.0031885548. The cubic root of 33663241 is about 322.8880524036. Note that the first 3 decimals are identical.

Adding to 33663241 its reverse (14236633), we get a palindrome (47899874).

The spelling of 33663241 in words is "thirty-three million, six hundred sixty-three thousand, two hundred forty-one".