255133293 has 16 divisors (see below), whose sum is σ = 346513536. Its totient is φ = 166933440.

The previous prime is 255133289. The next prime is 255133313. The reversal of 255133293 is 392331552.

It is a happy number.

It is not a de Polignac number, because 255133293 - 2² = 255133289 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255133243) 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, 100680 + ... + 103182.

It is an arithmetic number, because the mean of its divisors is an integer number (21657096).

Almost surely, 2^255133293 is an apocalyptic number.

It is an amenable number.

255133293 is a deficient number, since it is larger than the sum of its proper divisors (91380243).

255133293 is a wasteful number, since it uses less digits than its factorization.

255133293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3124.

The product of its digits is 24300, while the sum is 33.

The square root of 255133293 is about 15972.8924431363. The cubic root of 255133293 is about 634.2430420540.

The spelling of 255133293 in words is "two hundred fifty-five million, one hundred thirty-three thousand, two hundred ninety-three".