506755433 has 2 divisors, whose sum is σ = 506755434. Its totient is φ = 506755432.

The previous prime is 506755391. The next prime is 506755439. The reversal of 506755433 is 334557605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 443186704 + 63568729 = 21052^2 + 7973^2 .

It is a cyclic number.

It is not a de Polignac number, because 506755433 - 2⁶ = 506755369 is a prime.

It is equal to p_26692553 and since 506755433 and 26692553 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (506755439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253377716 + 253377717.

It is an arithmetic number, because the mean of its divisors is an integer number (253377717).

Almost surely, 2^506755433 is an apocalyptic number.

It is an amenable number.

506755433 is a deficient number, since it is larger than the sum of its proper divisors (1).

506755433 is an equidigital number, since it uses as much as digits as its factorization.

506755433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189000, while the sum is 38.

The square root of 506755433 is about 22511.2290424135. The cubic root of 506755433 is about 797.2590745721.

The spelling of 506755433 in words is "five hundred six million, seven hundred fifty-five thousand, four hundred thirty-three".