6650345 has 16 divisors (see below), whose sum is σ = 8687952. Its totient is φ = 4857600.

The previous prime is 6650339. The next prime is 6650351. The reversal of 6650345 is 5430566.

It is an interprime number because it is at equal distance from previous prime (6650339) and next prime (6650351).

It can be written as a sum of positive squares in 8 ways, for example, as 755161 + 5895184 = 869^2 + 2428^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6650345 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6059 + ... + 7071.

It is an arithmetic number, because the mean of its divisors is an integer number (542997).

Almost surely, 2^6650345 is an apocalyptic number.

6650345 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6650345 is a deficient number, since it is larger than the sum of its proper divisors (2037607).

6650345 is a wasteful number, since it uses less digits than its factorization.

6650345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 6650345 is about 2578.8262834088. The cubic root of 6650345 is about 188.0534874971.

The spelling of 6650345 in words is "six million, six hundred fifty thousand, three hundred forty-five".