287001137 has 8 divisors (see below), whose sum is σ = 302950560. Its totient is φ = 271889316.

The previous prime is 287001101. The next prime is 287001149. The reversal of 287001137 is 731100782.

It is not a de Polignac number, because 287001137 - 2¹⁶ = 286935601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (287001037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14063 + ... + 27780.

It is an arithmetic number, because the mean of its divisors is an integer number (37868820).

Almost surely, 2^287001137 is an apocalyptic number.

It is an amenable number.

287001137 is a deficient number, since it is larger than the sum of its proper divisors (15949423).

287001137 is an frugal number, since it uses more digits than its factorization.

287001137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41900 (or 41862 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 287001137 is about 16941.1079035581. The cubic root of 287001137 is about 659.6210994754.

The spelling of 287001137 in words is "two hundred eighty-seven million, one thousand, one hundred thirty-seven".