4520965 has 4 divisors (see below), whose sum is σ = 5425164. Its totient is φ = 3616768.

The previous prime is 4520911. The next prime is 4520983. The reversal of 4520965 is 5690254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5690254 = 2 ⋅2845127.

It can be written as a sum of positive squares in 2 ways, for example, as 1695204 + 2825761 = 1302^2 + 1681^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4520965 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452092 + ... + 452101.

It is an arithmetic number, because the mean of its divisors is an integer number (1356291).

Almost surely, 2^4520965 is an apocalyptic number.

It is an amenable number.

4520965 is a deficient number, since it is larger than the sum of its proper divisors (904199).

4520965 is an equidigital number, since it uses as much as digits as its factorization.

4520965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904198.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 4520965 is about 2126.2560993446. The cubic root of 4520965 is about 165.3523538464.

The spelling of 4520965 in words is "four million, five hundred twenty thousand, nine hundred sixty-five".