255023733 has 4 divisors (see below), whose sum is σ = 340031648. Its totient is φ = 170015820.

The previous prime is 255023729. The next prime is 255023759. The reversal of 255023733 is 337320552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 255023733 - 2² = 255023729 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255023733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255023533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42503953 + ... + 42503958.

It is an arithmetic number, because the mean of its divisors is an integer number (85007912).

Almost surely, 2^255023733 is an apocalyptic number.

It is an amenable number.

255023733 is a deficient number, since it is larger than the sum of its proper divisors (85007915).

255023733 is an equidigital number, since it uses as much as digits as its factorization.

255023733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85007914.

The product of its (nonzero) digits is 18900, while the sum is 30.

The square root of 255023733 is about 15969.4625144367. The cubic root of 255023733 is about 634.1522429587.

The spelling of 255023733 in words is "two hundred fifty-five million, twenty-three thousand, seven hundred thirty-three".