47870461 has 2 divisors, whose sum is σ = 47870462. Its totient is φ = 47870460.

The previous prime is 47870377. The next prime is 47870477. The reversal of 47870461 is 16407874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35402500 + 12467961 = 5950^2 + 3531^2 .

It is a cyclic number.

It is not a de Polignac number, because 47870461 - 2¹⁷ = 47739389 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 47870461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47870161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23935230 + 23935231.

It is an arithmetic number, because the mean of its divisors is an integer number (23935231).

Almost surely, 2^47870461 is an apocalyptic number.

It is an amenable number.

47870461 is a deficient number, since it is larger than the sum of its proper divisors (1).

47870461 is an equidigital number, since it uses as much as digits as its factorization.

47870461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 47870461 is about 6918.8482423016. The cubic root of 47870461 is about 363.0968962720.

The spelling of 47870461 in words is "forty-seven million, eight hundred seventy thousand, four hundred sixty-one".