6345605 has 8 divisors (see below), whose sum is σ = 8702592. Its totient is φ = 4351248.

The previous prime is 6345551. The next prime is 6345617. The reversal of 6345605 is 5065436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6345605 - 2⁶ = 6345541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90617 + ... + 90686.

It is an arithmetic number, because the mean of its divisors is an integer number (1087824).

Almost surely, 2^6345605 is an apocalyptic number.

It is an amenable number.

6345605 is a deficient number, since it is larger than the sum of its proper divisors (2356987).

6345605 is a wasteful number, since it uses less digits than its factorization.

6345605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181315.

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

The square root of 6345605 is about 2519.0484314518. The cubic root of 6345605 is about 185.1360576917.

The spelling of 6345605 in words is "six million, three hundred forty-five thousand, six hundred five".