42433253 has 2 divisors, whose sum is σ = 42433254. Its totient is φ = 42433252.

The previous prime is 42433249. The next prime is 42433271. The reversal of 42433253 is 35233424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34492129 + 7941124 = 5873^2 + 2818^2 .

It is a cyclic number.

It is not a de Polignac number, because 42433253 - 2² = 42433249 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42433273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21216626 + 21216627.

It is an arithmetic number, because the mean of its divisors is an integer number (21216627).

Almost surely, 2^42433253 is an apocalyptic number.

It is an amenable number.

42433253 is a deficient number, since it is larger than the sum of its proper divisors (1).

42433253 is an equidigital number, since it uses as much as digits as its factorization.

42433253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 26.

The square root of 42433253 is about 6514.0811324392. The cubic root of 42433253 is about 348.7938153178.

Adding to 42433253 its reverse (35233424), we get a palindrome (77666677).

The spelling of 42433253 in words is "forty-two million, four hundred thirty-three thousand, two hundred fifty-three".