33616801 has 2 divisors, whose sum is σ = 33616802. Its totient is φ = 33616800.

The previous prime is 33616753. The next prime is 33616859. The reversal of 33616801 is 10861633.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19184400 + 14432401 = 4380^2 + 3799^2 .

It is an emirp because it is prime and its reverse (10861633) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33616801 - 2¹⁹ = 33092513 is a prime.

It is a super-2 number, since 2×33616801² = 2260178618947202, which contains 22 as substring.

It is a nialpdrome in base 7.

It is a zygodrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 33616801.

It is not a weakly prime, because it can be changed into another prime (33616861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16808400 + 16808401.

It is an arithmetic number, because the mean of its divisors is an integer number (16808401).

Almost surely, 2^33616801 is an apocalyptic number.

It is an amenable number.

33616801 is a deficient number, since it is larger than the sum of its proper divisors (1).

33616801 is an equidigital number, since it uses as much as digits as its factorization.

33616801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 33616801 is about 5797.9997412901. Note that the first 3 decimals coincide. The cubic root of 33616801 is about 322.7395043990.

The spelling of 33616801 in words is "thirty-three million, six hundred sixteen thousand, eight hundred one".