255424517 has 2 divisors, whose sum is σ = 255424518. Its totient is φ = 255424516.

The previous prime is 255424513. The next prime is 255424529. The reversal of 255424517 is 715424552.

255424517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 236882881 + 18541636 = 15391^2 + 4306^2 .

It is a cyclic number.

It is not a de Polignac number, because 255424517 - 2² = 255424513 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255424513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127712258 + 127712259.

It is an arithmetic number, because the mean of its divisors is an integer number (127712259).

Almost surely, 2^255424517 is an apocalyptic number.

It is an amenable number.

255424517 is a deficient number, since it is larger than the sum of its proper divisors (1).

255424517 is an equidigital number, since it uses as much as digits as its factorization.

255424517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56000, while the sum is 35.

The square root of 255424517 is about 15982.0060380417. The cubic root of 255424517 is about 634.4842709422.

Adding to 255424517 its sum of digits (35), we get a palindrome (255424552).

The spelling of 255424517 in words is "two hundred fifty-five million, four hundred twenty-four thousand, five hundred seventeen".