42473 has 2 divisors, whose sum is σ = 42474. Its totient is φ = 42472.

The previous prime is 42467. The next prime is 42487. The reversal of 42473 is 37424.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29929 + 12544 = 173^2 + 112^2 .

It is a cyclic number.

It is not a de Polignac number, because 42473 - 2⁴ = 42457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (42403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21236 + 21237.

It is an arithmetic number, because the mean of its divisors is an integer number (21237).

2⁴²⁴⁷³ is an apocalyptic number.

It is an amenable number.

42473 is a deficient number, since it is larger than the sum of its proper divisors (1).

42473 is an equidigital number, since it uses as much as digits as its factorization.

42473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 20.

The square root of 42473 is about 206.0897862583. The cubic root of 42473 is about 34.8902685763.

Adding to 42473 its reverse (37424), we get a palindrome (79897).

It can be divided in two parts, 42 and 473, that added together give a palindrome (515).

The spelling of 42473 in words is "forty-two thousand, four hundred seventy-three", and thus it is an iban number.