33190013 has 2 divisors, whose sum is σ = 33190014. Its totient is φ = 33190012.

The previous prime is 33189983. The next prime is 33190019. The reversal of 33190013 is 31009133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28270489 + 4919524 = 5317^2 + 2218^2 .

It is an emirp because it is prime and its reverse (31009133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33190013 - 2¹² = 33185917 is a prime.

It is a super-2 number, since 2×33190013² = 2203153925880338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33190019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16595006 + 16595007.

It is an arithmetic number, because the mean of its divisors is an integer number (16595007).

Almost surely, 2^33190013 is an apocalyptic number.

It is an amenable number.

33190013 is a deficient number, since it is larger than the sum of its proper divisors (1).

33190013 is an equidigital number, since it uses as much as digits as its factorization.

33190013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243, while the sum is 20.

The square root of 33190013 is about 5761.0774165949. The cubic root of 33190013 is about 321.3678846887.

Adding to 33190013 its reverse (31009133), we get a palindrome (64199146).

The spelling of 33190013 in words is "thirty-three million, one hundred ninety thousand, thirteen".