287225135 has 8 divisors (see below), whose sum is σ = 356555520. Its totient is φ = 221856544.

The previous prime is 287225087. The next prime is 287225167. The reversal of 287225135 is 531522782.

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

It is a cyclic number.

It is not a de Polignac number, because 287225135 - 2¹⁰ = 287224111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 287225095 and 287225104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 990287 + ... + 990576.

It is an arithmetic number, because the mean of its divisors is an integer number (44569440).

Almost surely, 2^287225135 is an apocalyptic number.

287225135 is a deficient number, since it is larger than the sum of its proper divisors (69330385).

287225135 is a wasteful number, since it uses less digits than its factorization.

287225135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980897.

The product of its digits is 33600, while the sum is 35.

The square root of 287225135 is about 16947.7176929521. The cubic root of 287225135 is about 659.7926613790.

The spelling of 287225135 in words is "two hundred eighty-seven million, two hundred twenty-five thousand, one hundred thirty-five".