42433357 has 2 divisors, whose sum is σ = 42433358. Its totient is φ = 42433356.

The previous prime is 42433333. The next prime is 42433379. The reversal of 42433357 is 75333424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22905796 + 19527561 = 4786^2 + 4419^2 .

It is a cyclic number.

It is not a de Polignac number, because 42433357 - 2¹⁹ = 41909069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42433397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21216678 + 21216679.

It is an arithmetic number, because the mean of its divisors is an integer number (21216679).

Almost surely, 2^42433357 is an apocalyptic number.

It is an amenable number.

42433357 is a deficient number, since it is larger than the sum of its proper divisors (1).

42433357 is an equidigital number, since it uses as much as digits as its factorization.

42433357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 31.

The square root of 42433357 is about 6514.0891151411. The cubic root of 42433357 is about 348.7941002714.

The spelling of 42433357 in words is "forty-two million, four hundred thirty-three thousand, three hundred fifty-seven".