102206613 has 4 divisors (see below), whose sum is σ = 136275488. Its totient is φ = 68137740.

The previous prime is 102206609. The next prime is 102206627. The reversal of 102206613 is 316602201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 102206613 - 2² = 102206609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102206613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102206653) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 17034433 + ... + 17034438.

It is an arithmetic number, because the mean of its divisors is an integer number (34068872).

Almost surely, 2^102206613 is an apocalyptic number.

It is an amenable number.

102206613 is a deficient number, since it is larger than the sum of its proper divisors (34068875).

102206613 is an equidigital number, since it uses as much as digits as its factorization.

102206613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34068874.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 102206613 is about 10109.7286313729. The cubic root of 102206613 is about 467.5481384462.

Adding to 102206613 its reverse (316602201), we get a palindrome (418808814).

The spelling of 102206613 in words is "one hundred two million, two hundred six thousand, six hundred thirteen".