34748509 has 2 divisors, whose sum is σ = 34748510. Its totient is φ = 34748508.

The previous prime is 34748507. The next prime is 34748521. The reversal of 34748509 is 90584743.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21132409 + 13616100 = 4597^2 + 3690^2 .

It is a cyclic number.

It is not a de Polignac number, because 34748509 - 2¹ = 34748507 is a prime.

Together with 34748507, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34748501) 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, 17374254 + 17374255.

It is an arithmetic number, because the mean of its divisors is an integer number (17374255).

Almost surely, 2^34748509 is an apocalyptic number.

It is an amenable number.

34748509 is a deficient number, since it is larger than the sum of its proper divisors (1).

34748509 is an equidigital number, since it uses as much as digits as its factorization.

34748509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 34748509 is about 5894.7865949498. The cubic root of 34748509 is about 326.3212767351.

The spelling of 34748509 in words is "thirty-four million, seven hundred forty-eight thousand, five hundred nine".