33620113 has 2 divisors, whose sum is σ = 33620114. Its totient is φ = 33620112.

The previous prime is 33620057. The next prime is 33620129. The reversal of 33620113 is 31102633.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25684624 + 7935489 = 5068^2 + 2817^2 .

It is a cyclic number.

It is not a de Polignac number, because 33620113 - 2²¹ = 31522961 is a prime.

It is a super-2 number, since 2×33620113² = 2260623996265538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33620183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16810056 + 16810057.

It is an arithmetic number, because the mean of its divisors is an integer number (16810057).

Almost surely, 2^33620113 is an apocalyptic number.

It is an amenable number.

33620113 is a deficient number, since it is larger than the sum of its proper divisors (1).

33620113 is an equidigital number, since it uses as much as digits as its factorization.

33620113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 33620113 is about 5798.2853499979. The cubic root of 33620113 is about 322.7501030491.

Adding to 33620113 its reverse (31102633), we get a palindrome (64722746).

It can be divided in two parts, 33620 and 113, that added together give a palindrome (33733).

The spelling of 33620113 in words is "thirty-three million, six hundred twenty thousand, one hundred thirteen".