33332401 has 8 divisors (see below), whose sum is σ = 33985224. Its totient is φ = 32686080.

The previous prime is 33332381. The next prime is 33332407. The reversal of 33332401 is 10423333.

It can be written as a sum of positive squares in 4 ways, for example, as 4161600 + 29170801 = 2040^2 + 5401^2 .

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 33332401 - 2⁹ = 33331889 is a prime.

It is a super-2 number, since 2×33332401² = 2222097912849602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33332407) 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, 9441 + ... + 12481.

It is an arithmetic number, because the mean of its divisors is an integer number (4248153).

Almost surely, 2^33332401 is an apocalyptic number.

It is an amenable number.

33332401 is a deficient number, since it is larger than the sum of its proper divisors (652823).

33332401 is a wasteful number, since it uses less digits than its factorization.

33332401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3251.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 33332401 is about 5773.4219488965. The cubic root of 33332401 is about 321.8267943141.

Adding to 33332401 its reverse (10423333), we get a palindrome (43755734).

It can be divided in two parts, 33332 and 401, that added together give a palindrome (33733).

The spelling of 33332401 in words is "thirty-three million, three hundred thirty-two thousand, four hundred one".