255302413 has 4 divisors (see below), whose sum is σ = 270320220. Its totient is φ = 240284608.

The previous prime is 255302407. The next prime is 255302423. The reversal of 255302413 is 314203552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 197739844 + 57562569 = 14062^2 + 7587^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255302413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255302423) 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 in 3 ways as a sum of consecutive naturals, for example, 7508878 + ... + 7508911.

It is an arithmetic number, because the mean of its divisors is an integer number (67580055).

Almost surely, 2^255302413 is an apocalyptic number.

It is an amenable number.

255302413 is a deficient number, since it is larger than the sum of its proper divisors (15017807).

255302413 is a wasteful number, since it uses less digits than its factorization.

255302413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15017806.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 255302413 is about 15978.1855352853. The cubic root of 255302413 is about 634.3831511583.

Adding to 255302413 its reverse (314203552), we get a palindrome (569505965).

The spelling of 255302413 in words is "two hundred fifty-five million, three hundred two thousand, four hundred thirteen".