61277467 has 2 divisors, whose sum is σ = 61277468. Its totient is φ = 61277466.

The previous prime is 61277453. The next prime is 61277471. The reversal of 61277467 is 76477216.

61277467 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 is a cyclic number.

It is not a de Polignac number, because 61277467 - 2⁷ = 61277339 is a prime.

It is not a weakly prime, because it can be changed into another prime (61277417) 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, 30638733 + 30638734.

It is an arithmetic number, because the mean of its divisors is an integer number (30638734).

Almost surely, 2^61277467 is an apocalyptic number.

61277467 is a deficient number, since it is larger than the sum of its proper divisors (1).

61277467 is an equidigital number, since it uses as much as digits as its factorization.

61277467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 98784, while the sum is 40.

The square root of 61277467 is about 7827.9925268232. The cubic root of 61277467 is about 394.2456724935.

The spelling of 61277467 in words is "sixty-one million, two hundred seventy-seven thousand, four hundred sixty-seven".