4748509 has 2 divisors, whose sum is σ = 4748510. Its totient is φ = 4748508.

The previous prime is 4748503. The next prime is 4748519. The reversal of 4748509 is 9058474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3115225 + 1633284 = 1765^2 + 1278^2 .

It is a cyclic number.

It is not a de Polignac number, because 4748509 - 2⁵ = 4748477 is a prime.

4748509 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4748503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2374254 + 2374255.

It is an arithmetic number, because the mean of its divisors is an integer number (2374255).

Almost surely, 2^4748509 is an apocalyptic number.

It is an amenable number.

4748509 is a deficient number, since it is larger than the sum of its proper divisors (1).

4748509 is an equidigital number, since it uses as much as digits as its factorization.

4748509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 4748509 is about 2179.1073860643. The cubic root of 4748509 is about 168.0811800596.

The spelling of 4748509 in words is "four million, seven hundred forty-eight thousand, five hundred nine".