255132405 has 48 divisors (see below), whose sum is σ = 487041984. Its totient is φ = 122519040.

The previous prime is 255132359. The next prime is 255132421. The reversal of 255132405 is 504231552.

It is a happy number.

255132405 is a `hidden beast` number, since 255 + 1 + 3 + 2 + 405 = 666.

It is not a de Polignac number, because 255132405 - 2⁶ = 255132341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50557 + ... + 55373.

It is an arithmetic number, because the mean of its divisors is an integer number (10146708).

Almost surely, 2^255132405 is an apocalyptic number.

It is an amenable number.

255132405 is a deficient number, since it is larger than the sum of its proper divisors (231909579).

255132405 is a wasteful number, since it uses less digits than its factorization.

255132405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4946 (or 4943 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 255132405 is about 15972.8646460176. The cubic root of 255132405 is about 634.2423062184.

Adding to 255132405 its reverse (504231552), we get a palindrome (759363957).

The spelling of 255132405 in words is "two hundred fifty-five million, one hundred thirty-two thousand, four hundred five".