255115000 has 160 divisors (see below), whose sum is σ = 705149280. Its totient is φ = 84672000.

The previous prime is 255114989. The next prime is 255115009. The reversal of 255115000 is 511552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255115009) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1294902 + ... + 1295098.

It is an arithmetic number, because the mean of its divisors is an integer number (4407183).

Almost surely, 2^255115000 is an apocalyptic number.

255115000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255115000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352574640).

255115000 is an abundant number, since it is smaller than the sum of its proper divisors (450034280).

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

255115000 is a wasteful number, since it uses less digits than its factorization.

255115000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 248 counting only the distinct ones).

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

The square root of 255115000 is about 15972.3198064652. The cubic root of 255115000 is about 634.2278833303.

Adding to 255115000 its reverse (511552), we get a palindrome (255626552).

The spelling of 255115000 in words is "two hundred fifty-five million, one hundred fifteen thousand".