102002413 has 4 divisors (see below), whose sum is σ = 102265020. Its totient is φ = 101739808.

The previous prime is 102002399. The next prime is 102002419. The reversal of 102002413 is 314200201.

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 65496649 + 36505764 = 8093^2 + 6042^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102002413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102002393 and 102002402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102002419) 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, 130720 + ... + 131497.

It is an arithmetic number, because the mean of its divisors is an integer number (25566255).

Almost surely, 2^102002413 is an apocalyptic number.

It is an amenable number.

102002413 is a deficient number, since it is larger than the sum of its proper divisors (262607).

102002413 is an equidigital number, since it uses as much as digits as its factorization.

102002413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262606.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 102002413 is about 10099.6243989566. The cubic root of 102002413 is about 467.2365572278.

Adding to 102002413 its reverse (314200201), we get a palindrome (416202614).

The spelling of 102002413 in words is "one hundred two million, two thousand, four hundred thirteen".