61141133 has 2 divisors, whose sum is σ = 61141134. Its totient is φ = 61141132.

The previous prime is 61141121. The next prime is 61141139. The reversal of 61141133 is 33114116.

61141133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39778249 + 21362884 = 6307^2 + 4622^2 .

It is a cyclic number.

It is not a de Polignac number, because 61141133 - 2²² = 56946829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61141139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30570566 + 30570567.

It is an arithmetic number, because the mean of its divisors is an integer number (30570567).

Almost surely, 2^61141133 is an apocalyptic number.

It is an amenable number.

61141133 is a deficient number, since it is larger than the sum of its proper divisors (1).

61141133 is an equidigital number, since it uses as much as digits as its factorization.

61141133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 20.

The square root of 61141133 is about 7819.2795703952. The cubic root of 61141133 is about 393.9530744529.

Adding to 61141133 its reverse (33114116), we get a palindrome (94255249).

It can be divided in two parts, 6114113 and 3, that added together give a palindrome (6114116).

The spelling of 61141133 in words is "sixty-one million, one hundred forty-one thousand, one hundred thirty-three".