47818273 has 2 divisors, whose sum is σ = 47818274. Its totient is φ = 47818272.

The previous prime is 47818271. The next prime is 47818283. The reversal of 47818273 is 37281874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34187409 + 13630864 = 5847^2 + 3692^2 .

It is a cyclic number.

It is not a de Polignac number, because 47818273 - 2¹ = 47818271 is a prime.

Together with 47818271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (47818271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23909136 + 23909137.

It is an arithmetic number, because the mean of its divisors is an integer number (23909137).

Almost surely, 2^47818273 is an apocalyptic number.

It is an amenable number.

47818273 is a deficient number, since it is larger than the sum of its proper divisors (1).

47818273 is an equidigital number, since it uses as much as digits as its factorization.

47818273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75264, while the sum is 40.

The square root of 47818273 is about 6915.0757768805. The cubic root of 47818273 is about 362.9648998332.

The spelling of 47818273 in words is "forty-seven million, eight hundred eighteen thousand, two hundred seventy-three".