47161319 has 2 divisors, whose sum is σ = 47161320. Its totient is φ = 47161318.

The previous prime is 47161307. The next prime is 47161333. The reversal of 47161319 is 91316174.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47161319 is a prime.

It is a super-2 number, since 2×47161319² = 4448380019639522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47161369) 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, 23580659 + 23580660.

It is an arithmetic number, because the mean of its divisors is an integer number (23580660).

Almost surely, 2^47161319 is an apocalyptic number.

47161319 is a deficient number, since it is larger than the sum of its proper divisors (1).

47161319 is an equidigital number, since it uses as much as digits as its factorization.

47161319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 32.

The square root of 47161319 is about 6867.4099193218. The cubic root of 47161319 is about 361.2950246200.

The spelling of 47161319 in words is "forty-seven million, one hundred sixty-one thousand, three hundred nineteen".