61146571 has 2 divisors, whose sum is σ = 61146572. Its totient is φ = 61146570.

The previous prime is 61146557. The next prime is 61146593. The reversal of 61146571 is 17564116.

61146571 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 is a cyclic number.

It is not a de Polignac number, because 61146571 - 2¹³ = 61138379 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61146271) 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, 30573285 + 30573286.

It is an arithmetic number, because the mean of its divisors is an integer number (30573286).

Almost surely, 2^61146571 is an apocalyptic number.

61146571 is a deficient number, since it is larger than the sum of its proper divisors (1).

61146571 is an equidigital number, since it uses as much as digits as its factorization.

61146571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 31.

The square root of 61146571 is about 7819.6272929085. The cubic root of 61146571 is about 393.9647537333.

The spelling of 61146571 in words is "sixty-one million, one hundred forty-six thousand, five hundred seventy-one".