287270241 has 8 divisors (see below), whose sum is σ = 383422944. Its totient is φ = 191315520.

The previous prime is 287270239. The next prime is 287270261. The reversal of 287270241 is 142072782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 287270241 - 2¹ = 287270239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (287270261) 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, 46075 + ... + 51936.

It is an arithmetic number, because the mean of its divisors is an integer number (47927868).

Almost surely, 2^287270241 is an apocalyptic number.

It is an amenable number.

287270241 is a deficient number, since it is larger than the sum of its proper divisors (96152703).

287270241 is an equidigital number, since it uses as much as digits as its factorization.

287270241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98991.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 287270241 is about 16949.0483803664. The cubic root of 287270241 is about 659.8271976439.

The spelling of 287270241 in words is "two hundred eighty-seven million, two hundred seventy thousand, two hundred forty-one".