4287505 has 8 divisors (see below), whose sum is σ = 5322600. Its totient is φ = 3311616.

The previous prime is 4287473. The next prime is 4287511. The reversal of 4287505 is 5057824.

It can be written as a sum of positive squares in 4 ways, for example, as 508369 + 3779136 = 713^2 + 1944^2 .

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 4287505 - 2⁵ = 4287473 is a prime.

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, 14640 + ... + 14929.

It is an arithmetic number, because the mean of its divisors is an integer number (665325).

Almost surely, 2^4287505 is an apocalyptic number.

It is an amenable number.

4287505 is a deficient number, since it is larger than the sum of its proper divisors (1035095).

4287505 is a wasteful number, since it uses less digits than its factorization.

4287505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29603.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 4287505 is about 2070.6291314477. The cubic root of 4287505 is about 162.4556723273.

The spelling of 4287505 in words is "four million, two hundred eighty-seven thousand, five hundred five".