4775149 has 4 divisors (see below), whose sum is σ = 4840636. Its totient is φ = 4709664.

The previous prime is 4775143. The next prime is 4775159. The reversal of 4775149 is 9415774.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9415774 = 2 ⋅4707887.

It can be written as a sum of positive squares in 2 ways, for example, as 1946025 + 2829124 = 1395^2 + 1682^2 .

It is a cyclic number.

It is not a de Polignac number, because 4775149 - 2¹⁹ = 4250861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4775143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32634 + ... + 32779.

It is an arithmetic number, because the mean of its divisors is an integer number (1210159).

Almost surely, 2^4775149 is an apocalyptic number.

It is an amenable number.

4775149 is a deficient number, since it is larger than the sum of its proper divisors (65487).

4775149 is an equidigital number, since it uses as much as digits as its factorization.

4775149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65486.

The product of its digits is 35280, while the sum is 37.

The square root of 4775149 is about 2185.2114314180. The cubic root of 4775149 is about 168.3949160905.

The spelling of 4775149 in words is "four million, seven hundred seventy-five thousand, one hundred forty-nine".