47153861 has 2 divisors, whose sum is σ = 47153862. Its totient is φ = 47153860.

The previous prime is 47153857. The next prime is 47153867. The reversal of 47153861 is 16835174.

47153861 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 can be written as a sum of positive squares in only one way, i.e., 46922500 + 231361 = 6850^2 + 481^2 .

It is a cyclic number.

It is not a de Polignac number, because 47153861 - 2² = 47153857 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 (47153867) 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, 23576930 + 23576931.

It is an arithmetic number, because the mean of its divisors is an integer number (23576931).

Almost surely, 2^47153861 is an apocalyptic number.

It is an amenable number.

47153861 is a deficient number, since it is larger than the sum of its proper divisors (1).

47153861 is an equidigital number, since it uses as much as digits as its factorization.

47153861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 35.

The square root of 47153861 is about 6866.8668983751. The cubic root of 47153861 is about 361.2759787833.

The spelling of 47153861 in words is "forty-seven million, one hundred fifty-three thousand, eight hundred sixty-one".