255205607 has 4 divisors (see below), whose sum is σ = 261430176. Its totient is φ = 248981040.

The previous prime is 255205603. The next prime is 255205619. The reversal of 255205607 is 706502552.

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 255205607 - 2² = 255205603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255205603) 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, 3112223 + ... + 3112304.

It is an arithmetic number, because the mean of its divisors is an integer number (65357544).

Almost surely, 2^255205607 is an apocalyptic number.

255205607 is a deficient number, since it is larger than the sum of its proper divisors (6224569).

255205607 is an equidigital number, since it uses as much as digits as its factorization.

255205607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6224568.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 255205607 is about 15975.1559303814. The cubic root of 255205607 is about 634.3029588636.

The spelling of 255205607 in words is "two hundred fifty-five million, two hundred five thousand, six hundred seven".