33400241 has 4 divisors (see below), whose sum is σ = 38171712. Its totient is φ = 28628772.

The previous prime is 33400219. The next prime is 33400247. The reversal of 33400241 is 14200433.

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 33400241 - 2⁶ = 33400177 is a prime.

It is a super-2 number, since 2×33400241² = 2231152197716162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33400247) 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, 2385725 + ... + 2385738.

It is an arithmetic number, because the mean of its divisors is an integer number (9542928).

Almost surely, 2^33400241 is an apocalyptic number.

It is an amenable number.

33400241 is a deficient number, since it is larger than the sum of its proper divisors (4771471).

33400241 is an equidigital number, since it uses as much as digits as its factorization.

33400241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4771470.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 33400241 is about 5779.2941610546. The cubic root of 33400241 is about 322.0449797639.

Adding to 33400241 its reverse (14200433), we get a palindrome (47600674).

The spelling of 33400241 in words is "thirty-three million, four hundred thousand, two hundred forty-one".