287300013 has 64 divisors (see below), whose sum is σ = 532224000. Its totient is φ = 132975360.

The previous prime is 287300003. The next prime is 287300021. The reversal of 287300013 is 310003782.

It is not a de Polignac number, because 287300013 - 2⁵ = 287299981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287300003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 85438 + ... + 88736.

It is an arithmetic number, because the mean of its divisors is an integer number (8316000).

Almost surely, 2^287300013 is an apocalyptic number.

It is an amenable number.

287300013 is a deficient number, since it is larger than the sum of its proper divisors (244923987).

287300013 is a wasteful number, since it uses less digits than its factorization.

287300013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 287300013 is about 16949.9266370094. The cubic root of 287300013 is about 659.8499911602.

Adding to 287300013 its reverse (310003782), we get a palindrome (597303795).

The spelling of 287300013 in words is "two hundred eighty-seven million, three hundred thousand, thirteen".