255234405 has 16 divisors (see below), whose sum is σ = 409383360. Its totient is φ = 135788928.

The previous prime is 255234403. The next prime is 255234407. The reversal of 255234405 is 504432552.

It is an interprime number because it is at equal distance from previous prime (255234403) and next prime (255234407).

It is not a de Polignac number, because 255234405 - 2¹ = 255234403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255234403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14667 + ... + 26936.

It is an arithmetic number, because the mean of its divisors is an integer number (25586460).

Almost surely, 2^255234405 is an apocalyptic number.

It is an amenable number.

255234405 is a deficient number, since it is larger than the sum of its proper divisors (154148955).

255234405 is a wasteful number, since it uses less digits than its factorization.

255234405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42020.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 255234405 is about 15976.0572420106. The cubic root of 255234405 is about 634.3268167113.

Adding to 255234405 its reverse (504432552), we get a palindrome (759666957).

The spelling of 255234405 in words is "two hundred fifty-five million, two hundred thirty-four thousand, four hundred five".