290471 has 2 divisors, whose sum is σ = 290472. Its totient is φ = 290470.

The previous prime is 290447. The next prime is 290473. The reversal of 290471 is 174092.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-290471 is a prime.

It is a super-3 number, since 3×290471³ = 73524079218471333, which contains 333 as substring.

Together with 290473, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (290473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145235 + 145236.

It is an arithmetic number, because the mean of its divisors is an integer number (145236).

2²⁹⁰⁴⁷¹ is an apocalyptic number.

290471 is a deficient number, since it is larger than the sum of its proper divisors (1).

290471 is an equidigital number, since it uses as much as digits as its factorization.

290471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 290471 is about 538.9536158149. The cubic root of 290471 is about 66.2268745678.

The spelling of 290471 in words is "two hundred ninety thousand, four hundred seventy-one".