3401509 has 2 divisors, whose sum is σ = 3401510. Its totient is φ = 3401508.

The previous prime is 3401501. The next prime is 3401549. The reversal of 3401509 is 9051043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2712609 + 688900 = 1647^2 + 830^2 .

It is a cyclic number.

It is not a de Polignac number, because 3401509 - 2³ = 3401501 is a prime.

It is a Chen prime.

3401509 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3401509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3401501) 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 as a sum of consecutive naturals, namely, 1700754 + 1700755.

It is an arithmetic number, because the mean of its divisors is an integer number (1700755).

Almost surely, 2^3401509 is an apocalyptic number.

It is an amenable number.

3401509 is a deficient number, since it is larger than the sum of its proper divisors (1).

3401509 is an equidigital number, since it uses as much as digits as its factorization.

3401509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 3401509 is about 1844.3180311432. The cubic root of 3401509 is about 150.3917021650.

It can be divided in two parts, 340 and 1509, that added together give a square (1849 = 43²).

The spelling of 3401509 in words is "three million, four hundred one thousand, five hundred nine".