255520301 has 2 divisors, whose sum is σ = 255520302. Its totient is φ = 255520300.

The previous prime is 255520297. The next prime is 255520351. The reversal of 255520301 is 103025552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152497801 + 103022500 = 12349^2 + 10150^2 .

It is a cyclic number.

It is not a de Polignac number, because 255520301 - 2² = 255520297 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255520351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127760150 + 127760151.

It is an arithmetic number, because the mean of its divisors is an integer number (127760151).

Almost surely, 2^255520301 is an apocalyptic number.

It is an amenable number.

255520301 is a deficient number, since it is larger than the sum of its proper divisors (1).

255520301 is an equidigital number, since it uses as much as digits as its factorization.

255520301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 255520301 is about 15985.0023772285. The cubic root of 255520301 is about 634.5635714038.

Adding to 255520301 its reverse (103025552), we get a palindrome (358545853).

The spelling of 255520301 in words is "two hundred fifty-five million, five hundred twenty thousand, three hundred one".