6612506 has 4 divisors (see below), whose sum is σ = 9918762. Its totient is φ = 3306252.

The previous prime is 6612499. The next prime is 6612539. The reversal of 6612506 is 6052166.

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., 4182025 + 2430481 = 2045^2 + 1559^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1653125 + ... + 1653128.

Almost surely, 2^6612506 is an apocalyptic number.

6612506 is a deficient number, since it is larger than the sum of its proper divisors (3306256).

6612506 is a wasteful number, since it uses less digits than its factorization.

6612506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306255.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 6612506 is about 2571.4793407687. The cubic root of 6612506 is about 187.6961479189.

The spelling of 6612506 in words is "six million, six hundred twelve thousand, five hundred six".