255451100 has 36 divisors (see below), whose sum is σ = 555042600. Its totient is φ = 102048960.

The previous prime is 255451099. The next prime is 255451109. The reversal of 255451100 is 1154552.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255451109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124886 + ... + 126914.

It is an arithmetic number, because the mean of its divisors is an integer number (15417850).

Almost surely, 2^255451100 is an apocalyptic number.

255451100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255451100 is an abundant number, since it is smaller than the sum of its proper divisors (299591500).

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

255451100 is a wasteful number, since it uses less digits than its factorization.

255451100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3302 (or 3295 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 255451100 is about 15982.8376704514. The cubic root of 255451100 is about 634.5062812416.

The spelling of 255451100 in words is "two hundred fifty-five million, four hundred fifty-one thousand, one hundred".