255393071 has 8 divisors (see below), whose sum is σ = 257690160. Its totient is φ = 253102528.

The previous prime is 255393049. The next prime is 255393107. The reversal of 255393071 is 170393552.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255393071 - 2²⁶ = 188284207 is a prime.

It is a super-2 number, since 2×255393071² = 130451241429622082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255393001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108020 + ... + 110358.

It is an arithmetic number, because the mean of its divisors is an integer number (32211270).

Almost surely, 2^255393071 is an apocalyptic number.

255393071 is a deficient number, since it is larger than the sum of its proper divisors (2297089).

255393071 is a wasteful number, since it uses less digits than its factorization.

255393071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3273.

The product of its (nonzero) digits is 28350, while the sum is 35.

The square root of 255393071 is about 15981.0222138635. The cubic root of 255393071 is about 634.4582321846.

The spelling of 255393071 in words is "two hundred fifty-five million, three hundred ninety-three thousand, seventy-one".