6309973 has 2 divisors, whose sum is σ = 6309974. Its totient is φ = 6309972.

The previous prime is 6309959. The next prime is 6309997. The reversal of 6309973 is 3799036.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4355569 + 1954404 = 2087^2 + 1398^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6309973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6309913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3154986 + 3154987.

It is an arithmetic number, because the mean of its divisors is an integer number (3154987).

Almost surely, 2^6309973 is an apocalyptic number.

It is an amenable number.

6309973 is a deficient number, since it is larger than the sum of its proper divisors (1).

6309973 is an equidigital number, since it uses as much as digits as its factorization.

6309973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618, while the sum is 37.

The square root of 6309973 is about 2511.9659631452. The cubic root of 6309973 is about 184.7888801771.

The spelling of 6309973 in words is "six million, three hundred nine thousand, nine hundred seventy-three".