47161207 has 2 divisors, whose sum is σ = 47161208. Its totient is φ = 47161206.

The previous prime is 47161157. The next prime is 47161223. The reversal of 47161207 is 70216174.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47161207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47161277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23580603 + 23580604.

It is an arithmetic number, because the mean of its divisors is an integer number (23580604).

Almost surely, 2^47161207 is an apocalyptic number.

47161207 is a deficient number, since it is larger than the sum of its proper divisors (1).

47161207 is an equidigital number, since it uses as much as digits as its factorization.

47161207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 47161207 is about 6867.4017648598. The cubic root of 47161207 is about 361.2947386153.

The spelling of 47161207 in words is "forty-seven million, one hundred sixty-one thousand, two hundred seven".