47165101 has 2 divisors, whose sum is σ = 47165102. Its totient is φ = 47165100.

The previous prime is 47165099. The next prime is 47165117. The reversal of 47165101 is 10156174.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37393225 + 9771876 = 6115^2 + 3126^2 .

It is a cyclic number.

It is not a de Polignac number, because 47165101 - 2¹ = 47165099 is a prime.

Together with 47165099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47165141) 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, 23582550 + 23582551.

It is an arithmetic number, because the mean of its divisors is an integer number (23582551).

Almost surely, 2^47165101 is an apocalyptic number.

It is an amenable number.

47165101 is a deficient number, since it is larger than the sum of its proper divisors (1).

47165101 is an equidigital number, since it uses as much as digits as its factorization.

47165101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 47165101 is about 6867.6852723461. The cubic root of 47165101 is about 361.3046821196.

The spelling of 47165101 in words is "forty-seven million, one hundred sixty-five thousand, one hundred one".