255433429 has 2 divisors, whose sum is σ = 255433430. Its totient is φ = 255433428.

The previous prime is 255433417. The next prime is 255433433. The reversal of 255433429 is 924334552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144552529 + 110880900 = 12023^2 + 10530^2 .

It is a cyclic number.

It is not a de Polignac number, because 255433429 - 2¹³ = 255425237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255433229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127716714 + 127716715.

It is an arithmetic number, because the mean of its divisors is an integer number (127716715).

Almost surely, 2^255433429 is an apocalyptic number.

It is an amenable number.

255433429 is a deficient number, since it is larger than the sum of its proper divisors (1).

255433429 is an equidigital number, since it uses as much as digits as its factorization.

255433429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 37.

The square root of 255433429 is about 15982.2848491697. The cubic root of 255433429 is about 634.4916501060.

The spelling of 255433429 in words is "two hundred fifty-five million, four hundred thirty-three thousand, four hundred twenty-nine".