61711427 has 2 divisors, whose sum is σ = 61711428. Its totient is φ = 61711426.

The previous prime is 61711409. The next prime is 61711453. The reversal of 61711427 is 72411716.

61711427 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 61711427 - 2¹⁶ = 61645891 is a prime.

It is a Chen prime.

It is equal to p_3657503 and since 61711427 and 3657503 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61711427.

It is not a weakly prime, because it can be changed into another prime (61711457) 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, 30855713 + 30855714.

It is an arithmetic number, because the mean of its divisors is an integer number (30855714).

Almost surely, 2^61711427 is an apocalyptic number.

61711427 is a deficient number, since it is larger than the sum of its proper divisors (1).

61711427 is an equidigital number, since it uses as much as digits as its factorization.

61711427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2352, while the sum is 29.

The square root of 61711427 is about 7855.6620981302. The cubic root of 61711427 is about 395.1741516959.

The spelling of 61711427 in words is "sixty-one million, seven hundred eleven thousand, four hundred twenty-seven".