47785061 has 2 divisors, whose sum is σ = 47785062. Its totient is φ = 47785060.

The previous prime is 47785051. The next prime is 47785091. The reversal of 47785061 is 16058774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47541025 + 244036 = 6895^2 + 494^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47785061 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47785051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23892530 + 23892531.

It is an arithmetic number, because the mean of its divisors is an integer number (23892531).

Almost surely, 2^47785061 is an apocalyptic number.

It is an amenable number.

47785061 is a deficient number, since it is larger than the sum of its proper divisors (1).

47785061 is an equidigital number, since it uses as much as digits as its factorization.

47785061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 47785061 is about 6912.6739399454. The cubic root of 47785061 is about 362.8808484065.

The spelling of 47785061 in words is "forty-seven million, seven hundred eighty-five thousand, sixty-one".