42433273 has 2 divisors, whose sum is σ = 42433274. Its totient is φ = 42433272.

The previous prime is 42433271. The next prime is 42433277. The reversal of 42433273 is 37233424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21930489 + 20502784 = 4683^2 + 4528^2 .

It is a cyclic number.

It is not a de Polignac number, because 42433273 - 2¹ = 42433271 is a prime.

It is a super-3 number, since 3×42433273³ (a number of 24 digits) contains 333 as substring.

Together with 42433271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (42433271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21216636 + 21216637.

It is an arithmetic number, because the mean of its divisors is an integer number (21216637).

Almost surely, 2^42433273 is an apocalyptic number.

It is an amenable number.

42433273 is a deficient number, since it is larger than the sum of its proper divisors (1).

42433273 is an equidigital number, since it uses as much as digits as its factorization.

42433273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 28.

The square root of 42433273 is about 6514.0826675749. The cubic root of 42433273 is about 348.7938701166.

Adding to 42433273 its reverse (37233424), we get a palindrome (79666697).

The spelling of 42433273 in words is "forty-two million, four hundred thirty-three thousand, two hundred seventy-three".