61134877 has 2 divisors, whose sum is σ = 61134878. Its totient is φ = 61134876.

The previous prime is 61134869. The next prime is 61134889. The reversal of 61134877 is 77843116.

61134877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33477796 + 27657081 = 5786^2 + 5259^2 .

It is a cyclic number.

It is not a de Polignac number, because 61134877 - 2³ = 61134869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61134817) 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, 30567438 + 30567439.

It is an arithmetic number, because the mean of its divisors is an integer number (30567439).

Almost surely, 2^61134877 is an apocalyptic number.

It is an amenable number.

61134877 is a deficient number, since it is larger than the sum of its proper divisors (1).

61134877 is an equidigital number, since it uses as much as digits as its factorization.

61134877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 37.

The square root of 61134877 is about 7818.8795233077. The cubic root of 61134877 is about 393.9396374841.

The spelling of 61134877 in words is "sixty-one million, one hundred thirty-four thousand, eight hundred seventy-seven".