255995030 has 16 divisors (see below), whose sum is σ = 460985904. Its totient is φ = 102354720.

The previous prime is 255995029. The next prime is 255995053. The reversal of 255995030 is 30599552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31244 + ... + 38576.

It is an arithmetic number, because the mean of its divisors is an integer number (28811619).

Almost surely, 2^255995030 is an apocalyptic number.

255995030 is a deficient number, since it is larger than the sum of its proper divisors (204990874).

255995030 is a wasteful number, since it uses less digits than its factorization.

255995030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10831.

The product of its (nonzero) digits is 60750, while the sum is 38.

The square root of 255995030 is about 15999.8446867462. The cubic root of 255995030 is about 634.9563117069.

The spelling of 255995030 in words is "two hundred fifty-five million, nine hundred ninety-five thousand, thirty".