613682506 has 8 divisors (see below), whose sum is σ = 942975684. Its totient is φ = 299357280.

The previous prime is 613682497. The next prime is 613682551. The reversal of 613682506 is 605286316.

It can be written as a sum of positive squares in 2 ways, for example, as 511166881 + 102515625 = 22609^2 + 10125^2 .

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

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 in 3 ways as a sum of consecutive naturals, for example, 3741885 + ... + 3742048.

Almost surely, 2^613682506 is an apocalyptic number.

613682506 is a deficient number, since it is larger than the sum of its proper divisors (329293178).

613682506 is a wasteful number, since it uses less digits than its factorization.

613682506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7483976.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 613682506 is about 24772.6160507929. The cubic root of 613682506 is about 849.7958014676.

The spelling of 613682506 in words is "six hundred thirteen million, six hundred eighty-two thousand, five hundred six".