47161579 has 2 divisors, whose sum is σ = 47161580. Its totient is φ = 47161578.

The previous prime is 47161507. The next prime is 47161589. The reversal of 47161579 is 97516174.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47161579 - 2¹¹ = 47159531 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47161589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23580789 + 23580790.

It is an arithmetic number, because the mean of its divisors is an integer number (23580790).

Almost surely, 2^47161579 is an apocalyptic number.

47161579 is a deficient number, since it is larger than the sum of its proper divisors (1).

47161579 is an equidigital number, since it uses as much as digits as its factorization.

47161579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 40.

The square root of 47161579 is about 6867.4288492856. The cubic root of 47161579 is about 361.2956885577.

The spelling of 47161579 in words is "forty-seven million, one hundred sixty-one thousand, five hundred seventy-nine".