61543127 has 2 divisors, whose sum is σ = 61543128. Its totient is φ = 61543126.

The previous prime is 61543103. The next prime is 61543159. The reversal of 61543127 is 72134516.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61543127 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61543127.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61543177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30771563 + 30771564.

It is an arithmetic number, because the mean of its divisors is an integer number (30771564).

Almost surely, 2^61543127 is an apocalyptic number.

61543127 is a deficient number, since it is larger than the sum of its proper divisors (1).

61543127 is an equidigital number, since it uses as much as digits as its factorization.

61543127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 61543127 is about 7844.9427658843. The cubic root of 61543127 is about 394.8145837035.

The spelling of 61543127 in words is "sixty-one million, five hundred forty-three thousand, one hundred twenty-seven".