6901309 has 4 divisors (see below), whose sum is σ = 6968416. Its totient is φ = 6834204.

The previous prime is 6901291. The next prime is 6901331. The reversal of 6901309 is 9031096.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6901309 - 2¹⁷ = 6770237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6901369) 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 in 3 ways as a sum of consecutive naturals, for example, 33399 + ... + 33604.

It is an arithmetic number, because the mean of its divisors is an integer number (1742104).

Almost surely, 2^6901309 is an apocalyptic number.

It is an amenable number.

6901309 is a deficient number, since it is larger than the sum of its proper divisors (67107).

6901309 is a wasteful number, since it uses less digits than its factorization.

6901309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67106.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 6901309 is about 2627.0342593883. The cubic root of 6901309 is about 190.3898643034.

The spelling of 6901309 in words is "six million, nine hundred one thousand, three hundred nine".