47161039 has 2 divisors, whose sum is σ = 47161040. Its totient is φ = 47161038.

The previous prime is 47161027. The next prime is 47161057. The reversal of 47161039 is 93016174.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47161039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47161039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47161019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23580519 + 23580520.

It is an arithmetic number, because the mean of its divisors is an integer number (23580520).

Almost surely, 2^47161039 is an apocalyptic number.

47161039 is a deficient number, since it is larger than the sum of its proper divisors (1).

47161039 is an equidigital number, since it uses as much as digits as its factorization.

47161039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 47161039 is about 6867.3895331487. The cubic root of 47161039 is about 361.2943096074.

The spelling of 47161039 in words is "forty-seven million, one hundred sixty-one thousand, thirty-nine".