255117006 has 64 divisors (see below), whose sum is σ = 590587200. Its totient is φ = 81561600.

The previous prime is 255116957. The next prime is 255117013. The reversal of 255117006 is 600711552.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134110 + ... + 135998.

It is an arithmetic number, because the mean of its divisors is an integer number (9227925).

Almost surely, 2^255117006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255117006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295293600).

255117006 is an abundant number, since it is smaller than the sum of its proper divisors (335470194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255117006 is a wasteful number, since it uses less digits than its factorization.

255117006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002 (or 1996 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 255117006 is about 15972.3826024798. The cubic root of 255117006 is about 634.2295456627.

Adding to 255117006 its reverse (600711552), we get a palindrome (855828558).

The spelling of 255117006 in words is "two hundred fifty-five million, one hundred seventeen thousand, six".