47618101 has 2 divisors, whose sum is σ = 47618102. Its totient is φ = 47618100.

The previous prime is 47618099. The next prime is 47618141. The reversal of 47618101 is 10181674.

47618101 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., 47196900 + 421201 = 6870^2 + 649^2 .

It is a cyclic number.

It is not a de Polignac number, because 47618101 - 2¹ = 47618099 is a prime.

Together with 47618099, it forms a pair of twin primes.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 47618101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47618141) 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, 23809050 + 23809051.

It is an arithmetic number, because the mean of its divisors is an integer number (23809051).

Almost surely, 2^47618101 is an apocalyptic number.

It is an amenable number.

47618101 is a deficient number, since it is larger than the sum of its proper divisors (1).

47618101 is an equidigital number, since it uses as much as digits as its factorization.

47618101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 47618101 is about 6900.5870040164. The cubic root of 47618101 is about 362.4577225368.

Adding to 47618101 its reverse (10181674), we get a palindrome (57799775).

The spelling of 47618101 in words is "forty-seven million, six hundred eighteen thousand, one hundred one".