6617242 has 4 divisors (see below), whose sum is σ = 9925866. Its totient is φ = 3308620.

The previous prime is 6617197. The next prime is 6617257. The reversal of 6617242 is 2427166.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3924361 + 2692881 = 1981^2 + 1641^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6617242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1654309 + ... + 1654312.

Almost surely, 2^6617242 is an apocalyptic number.

6617242 is a deficient number, since it is larger than the sum of its proper divisors (3308624).

6617242 is a wasteful number, since it uses less digits than its factorization.

6617242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3308623.

The product of its digits is 4032, while the sum is 28.

The square root of 6617242 is about 2572.4000466490. The cubic root of 6617242 is about 187.7409477179.

It can be divided in two parts, 6617 and 242, that added together give a cube (6859 = 19³).

The spelling of 6617242 in words is "six million, six hundred seventeen thousand, two hundred forty-two".