4257563 has 4 divisors (see below), whose sum is σ = 4361448. Its totient is φ = 4153680.

The previous prime is 4257557. The next prime is 4257569. The reversal of 4257563 is 3657524.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4257557) and next prime (4257569).

It is a cyclic number.

It is not a de Polignac number, because 4257563 - 2¹² = 4253467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4257569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51881 + ... + 51962.

It is an arithmetic number, because the mean of its divisors is an integer number (1090362).

Almost surely, 2^4257563 is an apocalyptic number.

4257563 is a deficient number, since it is larger than the sum of its proper divisors (103885).

4257563 is a wasteful number, since it uses less digits than its factorization.

4257563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103884.

The product of its digits is 25200, while the sum is 32.

The square root of 4257563 is about 2063.3862944199. The cubic root of 4257563 is about 162.0766162007.

The spelling of 4257563 in words is "four million, two hundred fifty-seven thousand, five hundred sixty-three".