287125300 has 144 divisors (see below), whose sum is σ = 793699200. Its totient is φ = 89376000.

The previous prime is 287125297. The next prime is 287125301. The reversal of 287125300 is 3521782.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287125301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 376920 + ... + 377680.

It is an arithmetic number, because the mean of its divisors is an integer number (5511800).

Almost surely, 2^287125300 is an apocalyptic number.

287125300 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 287125300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396849600).

287125300 is an abundant number, since it is smaller than the sum of its proper divisors (506573900).

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

287125300 is a wasteful number, since it uses less digits than its factorization.

287125300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807 (or 786 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 287125300 is about 16944.7720551207. The cubic root of 287125300 is about 659.7162079567.

The spelling of 287125300 in words is "two hundred eighty-seven million, one hundred twenty-five thousand, three hundred".