255005413 has 4 divisors (see below), whose sum is σ = 274621228. Its totient is φ = 235389600.

The previous prime is 255005353. The next prime is 255005431. The reversal of 255005413 is 314500552.

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 56280004 + 198725409 = 7502^2 + 14097^2 .

It is a cyclic number.

It is not a de Polignac number, because 255005413 - 2¹³ = 254997221 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 (255005453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9807888 + ... + 9807913.

It is an arithmetic number, because the mean of its divisors is an integer number (68655307).

Almost surely, 2^255005413 is an apocalyptic number.

It is an amenable number.

255005413 is a deficient number, since it is larger than the sum of its proper divisors (19615815).

255005413 is a wasteful number, since it uses less digits than its factorization.

255005413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19615814.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 255005413 is about 15968.8889093763. Note that the first 3 decimals coincide. The cubic root of 255005413 is about 634.1370575128.

Adding to 255005413 its reverse (314500552), we get a palindrome (569505965).

The spelling of 255005413 in words is "two hundred fifty-five million, five thousand, four hundred thirteen".