255100105 has 8 divisors (see below), whose sum is σ = 329667912. Its totient is φ = 188381568.

The previous prime is 255100093. The next prime is 255100117. The reversal of 255100105 is 501001552.

It is an interprime number because it is at equal distance from previous prime (255100093) and next prime (255100117).

It can be written as a sum of positive squares in 4 ways, for example, as 61027344 + 194072761 = 7812^2 + 13931^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255100105 is a prime.

It is a super-2 number, since 2×255100105² = 130152127142022050, which contains 22 as substring.

It is a Duffinian 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, 1962244 + ... + 1962373.

It is an arithmetic number, because the mean of its divisors is an integer number (41208489).

Almost surely, 2^255100105 is an apocalyptic number.

It is an amenable number.

255100105 is a deficient number, since it is larger than the sum of its proper divisors (74567807).

255100105 is a wasteful number, since it uses less digits than its factorization.

255100105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3924635.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 255100105 is about 15971.8535242470. The cubic root of 255100105 is about 634.2155398667.

Adding to 255100105 its reverse (501001552), we get a palindrome (756101657).

The spelling of 255100105 in words is "two hundred fifty-five million, one hundred thousand, one hundred five".