4280565 has 16 divisors (see below), whose sum is σ = 6902208. Its totient is φ = 2265216.

The previous prime is 4280561. The next prime is 4280581. The reversal of 4280565 is 5650824.

It is not a de Polignac number, because 4280565 - 2² = 4280561 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4280561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1014 + ... + 3096.

It is an arithmetic number, because the mean of its divisors is an integer number (431388).

Almost surely, 2^4280565 is an apocalyptic number.

It is an amenable number.

4280565 is a deficient number, since it is larger than the sum of its proper divisors (2621643).

4280565 is a wasteful number, since it uses less digits than its factorization.

4280565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 4280565 is about 2068.9526335806. The cubic root of 4280565 is about 162.3679716538.

The spelling of 4280565 in words is "four million, two hundred eighty thousand, five hundred sixty-five".