4761509 has 2 divisors, whose sum is σ = 4761510. Its totient is φ = 4761508.

The previous prime is 4761499. The next prime is 4761511. The reversal of 4761509 is 9051674.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3161284 + 1600225 = 1778^2 + 1265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4761509 is a prime.

Together with 4761511, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4761109) 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 as a sum of consecutive naturals, namely, 2380754 + 2380755.

It is an arithmetic number, because the mean of its divisors is an integer number (2380755).

Almost surely, 2^4761509 is an apocalyptic number.

It is an amenable number.

4761509 is a deficient number, since it is larger than the sum of its proper divisors (1).

4761509 is an equidigital number, since it uses as much as digits as its factorization.

4761509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 4761509 is about 2182.0882200314. The cubic root of 4761509 is about 168.2344256614.

The spelling of 4761509 in words is "four million, seven hundred sixty-one thousand, five hundred nine".