33372641 has 2 divisors, whose sum is σ = 33372642. Its totient is φ = 33372640.

The previous prime is 33372637. The next prime is 33372653. The reversal of 33372641 is 14627333.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26061025 + 7311616 = 5105^2 + 2704^2 .

It is a cyclic number.

It is not a de Polignac number, because 33372641 - 2² = 33372637 is a prime.

It is a super-2 number, since 2×33372641² = 2227466334629762, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (33372611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16686320 + 16686321.

It is an arithmetic number, because the mean of its divisors is an integer number (16686321).

Almost surely, 2^33372641 is an apocalyptic number.

It is an amenable number.

33372641 is a deficient number, since it is larger than the sum of its proper divisors (1).

33372641 is an equidigital number, since it uses as much as digits as its factorization.

33372641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 29.

The square root of 33372641 is about 5776.9058327101. The cubic root of 33372641 is about 321.9562489584.

Adding to 33372641 its reverse (14627333), we get a palindrome (47999974).

The spelling of 33372641 in words is "thirty-three million, three hundred seventy-two thousand, six hundred forty-one".