4791523 has 4 divisors (see below), whose sum is σ = 5227128. Its totient is φ = 4355920.

The previous prime is 4791517. The next prime is 4791557. The reversal of 4791523 is 3251974.

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 4791523 - 2⁵ = 4791491 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 d-powerful number, because it can be written as 4 + 7³ + 9 + 1 + 5 + 2¹³ + 3¹⁴ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4791503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217786 + ... + 217807.

It is an arithmetic number, because the mean of its divisors is an integer number (1306782).

Almost surely, 2^4791523 is an apocalyptic number.

4791523 is a deficient number, since it is larger than the sum of its proper divisors (435605).

4791523 is a wasteful number, since it uses less digits than its factorization.

4791523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435604.

The product of its digits is 7560, while the sum is 31.

The square root of 4791523 is about 2188.9547734021. The cubic root of 4791523 is about 168.5871720635.

It can be divided in two parts, 479 and 1523, that added together give a palindrome (2002).

The spelling of 4791523 in words is "four million, seven hundred ninety-one thousand, five hundred twenty-three".