61118033 has 2 divisors, whose sum is σ = 61118034. Its totient is φ = 61118032.

The previous prime is 61118027. The next prime is 61118053. The reversal of 61118033 is 33081116.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61105489 + 12544 = 7817^2 + 112^2 .

It is a cyclic number.

It is not a de Polignac number, because 61118033 - 2⁴ = 61118017 is a prime.

It is not a weakly prime, because it can be changed into another prime (61118023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30559016 + 30559017.

It is an arithmetic number, because the mean of its divisors is an integer number (30559017).

Almost surely, 2^61118033 is an apocalyptic number.

It is an amenable number.

61118033 is a deficient number, since it is larger than the sum of its proper divisors (1).

61118033 is an equidigital number, since it uses as much as digits as its factorization.

61118033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 61118033 is about 7817.8023126707. The cubic root of 61118033 is about 393.9034544896.

Adding to 61118033 its reverse (33081116), we get a palindrome (94199149).

The spelling of 61118033 in words is "sixty-one million, one hundred eighteen thousand, thirty-three".