424531273 has 2 divisors, whose sum is σ = 424531274. Its totient is φ = 424531272.

The previous prime is 424531249. The next prime is 424531301. The reversal of 424531273 is 372135424.

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., 310746384 + 113784889 = 17628^2 + 10667^2 .

It is a cyclic number.

It is not a de Polignac number, because 424531273 - 2⁵ = 424531241 is a prime.

It is a super-3 number, since 3×424531273³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (424531873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212265636 + 212265637.

It is an arithmetic number, because the mean of its divisors is an integer number (212265637).

Almost surely, 2^424531273 is an apocalyptic number.

It is an amenable number.

424531273 is a deficient number, since it is larger than the sum of its proper divisors (1).

424531273 is an equidigital number, since it uses as much as digits as its factorization.

424531273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 31.

The square root of 424531273 is about 20604.1566922794. The cubic root of 424531273 is about 751.5707955421.

Adding to 424531273 its reverse (372135424), we get a palindrome (796666697).

The spelling of 424531273 in words is "four hundred twenty-four million, five hundred thirty-one thousand, two hundred seventy-three".