471139 has 2 divisors, whose sum is σ = 471140. Its totient is φ = 471138.

The previous prime is 471137. The next prime is 471161. The reversal of 471139 is 931174.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 471139 - 2¹ = 471137 is a prime.

Together with 471137, it forms a pair of twin primes.

It is equal to p₃₉₃₁₉ and since 471139 and 39319 have the same sum of digits, it is a Honaker prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (471137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235569 + 235570.

It is an arithmetic number, because the mean of its divisors is an integer number (235570).

2⁴⁷¹¹³⁹ is an apocalyptic number.

471139 is a deficient number, since it is larger than the sum of its proper divisors (1).

471139 is an equidigital number, since it uses as much as digits as its factorization.

471139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756, while the sum is 25.

The square root of 471139 is about 686.3956584944. The cubic root of 471139 is about 77.8125567060.

The spelling of 471139 in words is "four hundred seventy-one thousand, one hundred thirty-nine".