255605703 has 8 divisors (see below), whose sum is σ = 343065216. Its totient is φ = 169275000.

The previous prime is 255605699. The next prime is 255605719. The reversal of 255605703 is 307506552.

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

It is not a de Polignac number, because 255605703 - 2² = 255605699 is a prime.

It is a super-2 number, since 2×255605703² = 130668550812248418, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255605723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281673 + ... + 282578.

It is an arithmetic number, because the mean of its divisors is an integer number (42883152).

Almost surely, 2^255605703 is an apocalyptic number.

255605703 is a deficient number, since it is larger than the sum of its proper divisors (87459513).

255605703 is a wasteful number, since it uses less digits than its factorization.

255605703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564405.

The product of its (nonzero) digits is 31500, while the sum is 33.

The square root of 255605703 is about 15987.6734705210. The cubic root of 255605703 is about 634.6342598011.

The spelling of 255605703 in words is "two hundred fifty-five million, six hundred five thousand, seven hundred three".