255564235 has 4 divisors (see below), whose sum is σ = 306677088. Its totient is φ = 204451384.

The previous prime is 255564233. The next prime is 255564241. The reversal of 255564235 is 532465552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255564235 - 2¹ = 255564233 is a prime.

It is a super-2 number, since 2×255564235² = 130626156422270450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255564194 and 255564203.

It is not an unprimeable number, because it can be changed into a prime (255564233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25556419 + ... + 25556428.

It is an arithmetic number, because the mean of its divisors is an integer number (76669272).

Almost surely, 2^255564235 is an apocalyptic number.

255564235 is a deficient number, since it is larger than the sum of its proper divisors (51112853).

255564235 is an equidigital number, since it uses as much as digits as its factorization.

255564235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51112852.

The product of its digits is 180000, while the sum is 37.

The square root of 255564235 is about 15986.3765437950. The cubic root of 255564235 is about 634.5999381402.

It can be divided in two parts, 25556 and 4235, that added together give a cube (29791 = 31³).

The spelling of 255564235 in words is "two hundred fifty-five million, five hundred sixty-four thousand, two hundred thirty-five".