4919563 has 4 divisors (see below), whose sum is σ = 5366808. Its totient is φ = 4472320.

The previous prime is 4919561. The next prime is 4919569. The reversal of 4919563 is 3659194.

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

It is a cyclic number.

It is not a de Polignac number, because 4919563 - 2¹ = 4919561 is a prime.

It is a super-2 number, since 2×4919563² = 48404200221938, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4919561) 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, 223606 + ... + 223627.

It is an arithmetic number, because the mean of its divisors is an integer number (1341702).

Almost surely, 2^4919563 is an apocalyptic number.

4919563 is a deficient number, since it is larger than the sum of its proper divisors (447245).

4919563 is a wasteful number, since it uses less digits than its factorization.

4919563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447244.

The product of its digits is 29160, while the sum is 37.

The square root of 4919563 is about 2218.0087916868. The cubic root of 4919563 is about 170.0756641267.

The spelling of 4919563 in words is "four million, nine hundred nineteen thousand, five hundred sixty-three".