4751009 has 4 divisors (see below), whose sum is σ = 4758420. Its totient is φ = 4743600.

The previous prime is 4750997. The next prime is 4751011. The reversal of 4751009 is 9001574.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9001574 = 2 ⋅4500787.

It can be written as a sum of positive squares in 2 ways, for example, as 1216609 + 3534400 = 1103^2 + 1880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4751009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4751209) 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, 2642 + ... + 4059.

It is an arithmetic number, because the mean of its divisors is an integer number (1189605).

Almost surely, 2^4751009 is an apocalyptic number.

It is an amenable number.

4751009 is a deficient number, since it is larger than the sum of its proper divisors (7411).

4751009 is an equidigital number, since it uses as much as digits as its factorization.

4751009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7410.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 4751009 is about 2179.6809399543. The cubic root of 4751009 is about 168.1106720698.

The spelling of 4751009 in words is "four million, seven hundred fifty-one thousand, nine".