33540361 has 8 divisors (see below), whose sum is σ = 34645320. Its totient is φ = 32452992.

The previous prime is 33540359. The next prime is 33540373. The reversal of 33540361 is 16304533.

It can be written as a sum of positive squares in 4 ways, for example, as 8088336 + 25452025 = 2844^2 + 5045^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33540361 - 2¹ = 33540359 is a prime.

It is a super-2 number, since 2×33540361² = 2249911632020642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33540391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466 + ... + 8203.

It is an arithmetic number, because the mean of its divisors is an integer number (4330665).

Almost surely, 2^33540361 is an apocalyptic number.

It is an amenable number.

33540361 is a deficient number, since it is larger than the sum of its proper divisors (1104959).

33540361 is an equidigital number, since it uses as much as digits as its factorization.

33540361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8795.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 33540361 is about 5791.4040611928. The cubic root of 33540361 is about 322.4946969462.

Adding to 33540361 its reverse (16304533), we get a palindrome (49844894).

The spelling of 33540361 in words is "thirty-three million, five hundred forty thousand, three hundred sixty-one".