240473 has 2 divisors, whose sum is σ = 240474.
Its totient is φ = 240472.
The previous prime is 240437. The next prime is 240479. The reversal of 240473 is 374042.
It is a happy number.
Together with previous prime (240437) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 222784 + 17689 = 472^2 + 133^2
It is a cyclic number.
It is not a de Polignac number, because 240473 - 212 = 236377 is a prime.
It is not a weakly prime, because it can be changed into another prime (240479) 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, 120236 + 120237.
It is an arithmetic number, because the mean of its divisors is an integer number (120237).
2240473 is an apocalyptic number.
It is an amenable number.
240473 is a deficient number, since it is larger than the sum of its proper divisors (1).
240473 is an equidigital number, since it uses as much as digits as its factorization.
240473 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 672, while the sum is 20.
The square root of 240473 is about 490.3804645375.
The cubic root of 240473 is about 62.1854489109.
The spelling of 240473 in words is "two hundred forty thousand, four hundred seventy-three", and thus it is an iban number.