255002100 has 72 divisors (see below), whose sum is σ = 741077568. Its totient is φ = 67699200.

The previous prime is 255002053. The next prime is 255002129. The reversal of 255002100 is 1200552.

255002100 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

255002100 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 255002100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70537 + ... + 74063.

It is an arithmetic number, because the mean of its divisors is an integer number (10292744).

Almost surely, 2^255002100 is an apocalyptic number.

255002100 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 255002100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370538784).

255002100 is an abundant number, since it is smaller than the sum of its proper divisors (486075468).

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

255002100 is a wasteful number, since it uses less digits than its factorization.

255002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3785 (or 3778 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 255002100 is about 15968.7851760865. The cubic root of 255002100 is about 634.1343112898.

Adding to 255002100 its reverse (1200552), we get a palindrome (256202652).

The spelling of 255002100 in words is "two hundred fifty-five million, two thousand, one hundred".