4520457 has 12 divisors (see below), whose sum is σ = 6595524. Its totient is φ = 2983200.

The previous prime is 4520449. The next prime is 4520497. The reversal of 4520457 is 7540254.

It can be written as a sum of positive squares in 2 ways, for example, as 3779136 + 741321 = 1944^2 + 861^2 .

It is not a de Polignac number, because 4520457 - 2³ = 4520449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4520457.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4520407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1578 + ... + 3395.

It is an arithmetic number, because the mean of its divisors is an integer number (549627).

Almost surely, 2^4520457 is an apocalyptic number.

It is an amenable number.

4520457 is a deficient number, since it is larger than the sum of its proper divisors (2075067).

4520457 is a wasteful number, since it uses less digits than its factorization.

4520457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5080 (or 5077 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 4520457 is about 2126.1366371896. The cubic root of 4520457 is about 165.3461603204.

It can be divided in two parts, 45 and 20457, that added together give a palindrome (20502).

The spelling of 4520457 in words is "four million, five hundred twenty thousand, four hundred fifty-seven".