6617245 has 8 divisors (see below), whose sum is σ = 7955640. Its totient is φ = 5283840.

The previous prime is 6617197. The next prime is 6617257. The reversal of 6617245 is 5427166.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 962361 + 5654884 = 981^2 + 2378^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-6617245 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2985 + ... + 4705.

It is an arithmetic number, because the mean of its divisors is an integer number (994455).

Almost surely, 2^6617245 is an apocalyptic number.

It is an amenable number.

6617245 is a deficient number, since it is larger than the sum of its proper divisors (1338395).

6617245 is a wasteful number, since it uses less digits than its factorization.

6617245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495.

The product of its digits is 10080, while the sum is 31.

The square root of 6617245 is about 2572.4006297620. The cubic root of 6617245 is about 187.7409760894.

The spelling of 6617245 in words is "six million, six hundred seventeen thousand, two hundred forty-five".