4752991 has 4 divisors (see below), whose sum is σ = 4758984. Its totient is φ = 4747000.

The previous prime is 4752977. The next prime is 4753003. The reversal of 4752991 is 1992574.

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 4752991 - 2¹⁵ = 4720223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4752991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4752901) 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, 1585 + ... + 3466.

It is an arithmetic number, because the mean of its divisors is an integer number (1189746).

Almost surely, 2^4752991 is an apocalyptic number.

4752991 is a deficient number, since it is larger than the sum of its proper divisors (5993).

4752991 is an equidigital number, since it uses as much as digits as its factorization.

4752991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5992.

The product of its digits is 22680, while the sum is 37.

The square root of 4752991 is about 2180.1355462448. The cubic root of 4752991 is about 168.1340459840.

The spelling of 4752991 in words is "four million, seven hundred fifty-two thousand, nine hundred ninety-one".