6243345 has 32 divisors (see below), whose sum is σ = 11232000. Its totient is φ = 3290112.

The previous prime is 6243319. The next prime is 6243353. The reversal of 6243345 is 5433426.

6243345 is a `hidden beast` number, since 624 + 3 + 34 + 5 = 666.

It is not a de Polignac number, because 6243345 - 2⁵ = 6243313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 6⁶ + 2¹⁵ + 4⁷ + 3³ + 3⁴ + 4¹¹ + 5⁹ .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13681 + ... + 14129.

It is an arithmetic number, because the mean of its divisors is an integer number (351000).

Almost surely, 2^6243345 is an apocalyptic number.

It is an amenable number.

6243345 is a deficient number, since it is larger than the sum of its proper divisors (4988655).

6243345 is a wasteful number, since it uses less digits than its factorization.

6243345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566 (or 560 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 6243345 is about 2498.6686454990. The cubic root of 6243345 is about 184.1361724340.

It can be divided in two parts, 624 and 3345, that added together give a square (3969 = 63²).

The spelling of 6243345 in words is "six million, two hundred forty-three thousand, three hundred forty-five".