5251563 has 12 divisors (see below), whose sum is σ = 7605520. Its totient is φ = 3491856.

The previous prime is 5251549. The next prime is 5251573. The reversal of 5251563 is 3651525.

5251563 is a `hidden beast` number, since 52 + 51 + 563 = 666.

It is not a de Polignac number, because 5251563 - 2¹⁷ = 5120491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5251513) 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, 5970 + ... + 6792.

Almost surely, 2^5251563 is an apocalyptic number.

5251563 is a deficient number, since it is larger than the sum of its proper divisors (2353957).

5251563 is a wasteful number, since it uses less digits than its factorization.

5251563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538 (or 1535 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 5251563 is about 2291.6288966584. The cubic root of 5251563 is about 173.8185782461.

It can be divided in two parts, 52 and 51563, that added together give a palindrome (51615).

The spelling of 5251563 in words is "five million, two hundred fifty-one thousand, five hundred sixty-three".