102006613 has 4 divisors (see below), whose sum is σ = 108007020. Its totient is φ = 96006208.

The previous prime is 102006607. The next prime is 102006637. The reversal of 102006613 is 316600201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 44595684 + 57410929 = 6678^2 + 7577^2 .

It is not a de Polignac number, because 102006613 - 2⁹ = 102006101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102006673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3000178 + ... + 3000211.

It is an arithmetic number, because the mean of its divisors is an integer number (27001755).

Almost surely, 2^102006613 is an apocalyptic number.

It is an amenable number.

102006613 is a deficient number, since it is larger than the sum of its proper divisors (6000407).

102006613 is an equidigital number, since it uses as much as digits as its factorization.

102006613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6000406.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 102006613 is about 10099.8323253409. The cubic root of 102006613 is about 467.2429700388.

Adding to 102006613 its reverse (316600201), we get a palindrome (418606814).

The spelling of 102006613 in words is "one hundred two million, six thousand, six hundred thirteen".