6658245 has 24 divisors (see below), whose sum is σ = 12591072. Its totient is φ = 3228000.

The previous prime is 6658243. The next prime is 6658279. The reversal of 6658245 is 5428566.

It is not a de Polignac number, because 6658245 - 2¹ = 6658243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6658243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6231 + ... + 7220.

It is an arithmetic number, because the mean of its divisors is an integer number (524628).

Almost surely, 2^6658245 is an apocalyptic number.

It is an amenable number.

6658245 is a deficient number, since it is larger than the sum of its proper divisors (5932827).

6658245 is a wasteful number, since it uses less digits than its factorization.

6658245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13473 (or 13470 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 6658245 is about 2580.3575333663. The cubic root of 6658245 is about 188.1279214640.

It can be divided in two parts, 6658 and 245, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 6658245 in words is "six million, six hundred fifty-eight thousand, two hundred forty-five".