102568613 has 6 divisors (see below), whose sum is σ = 119314566. Its totient is φ = 87915912.

The previous prime is 102568573. The next prime is 102568637. The reversal of 102568613 is 316865201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 65820769 + 36747844 = 8113^2 + 6062^2 .

It is not a de Polignac number, because 102568613 - 2¹⁶ = 102503077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102568613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102568643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1046570 + ... + 1046667.

It is an arithmetic number, because the mean of its divisors is an integer number (19885761).

Almost surely, 2^102568613 is an apocalyptic number.

It is an amenable number.

102568613 is a deficient number, since it is larger than the sum of its proper divisors (16745953).

102568613 is an equidigital number, since it uses as much as digits as its factorization.

102568613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093251 (or 2093244 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 102568613 is about 10127.6163533183. The cubic root of 102568613 is about 468.0994824068.

The spelling of 102568613 in words is "one hundred two million, five hundred sixty-eight thousand, six hundred thirteen".