33630241 has 4 divisors (see below), whose sum is σ = 33730372. Its totient is φ = 33530112.

The previous prime is 33630211. The next prime is 33630251. The reversal of 33630241 is 14203633.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14203633 = 157 ⋅90469.

It can be written as a sum of positive squares in 2 ways, for example, as 11587216 + 22043025 = 3404^2 + 4695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33630241 is a prime.

It is a super-2 number, since 2×33630241² = 2261986219436162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33630211) 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, 49560 + ... + 50233.

It is an arithmetic number, because the mean of its divisors is an integer number (8432593).

Almost surely, 2^33630241 is an apocalyptic number.

It is an amenable number.

33630241 is a deficient number, since it is larger than the sum of its proper divisors (100131).

33630241 is an equidigital number, since it uses as much as digits as its factorization.

33630241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100130.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 33630241 is about 5799.1586458727. The cubic root of 33630241 is about 322.7825090958.

Adding to 33630241 its reverse (14203633), we get a palindrome (47833874).

The spelling of 33630241 in words is "thirty-three million, six hundred thirty thousand, two hundred forty-one".