33240641 has 16 divisors (see below), whose sum is σ = 39494400. Its totient is φ = 27373248.

The previous prime is 33240629. The next prime is 33240653. The reversal of 33240641 is 14604233.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (33240629) and next prime (33240653).

It is not a de Polignac number, because 33240641 - 2⁶ = 33240577 is a prime.

It is a super-2 number, since 2×33240641² = 2209880428181762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33240601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75500 + ... + 75938.

It is an arithmetic number, because the mean of its divisors is an integer number (2468400).

Almost surely, 2^33240641 is an apocalyptic number.

It is an amenable number.

33240641 is a deficient number, since it is larger than the sum of its proper divisors (6253759).

33240641 is a wasteful number, since it uses less digits than its factorization.

33240641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 33240641 is about 5765.4697120009. The cubic root of 33240641 is about 321.5312063824.

Adding to 33240641 its reverse (14604233), we get a palindrome (47844874).

The spelling of 33240641 in words is "thirty-three million, two hundred forty thousand, six hundred forty-one".