602680321 has 4 divisors (see below), whose sum is σ = 609452100. Its totient is φ = 595908544.

The previous prime is 602680313. The next prime is 602680333. The reversal of 602680321 is 123086206.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 123086206 = 2 ⋅61543103.

It can be written as a sum of positive squares in 2 ways, for example, as 329241025 + 273439296 = 18145^2 + 16536^2 .

It is a cyclic number.

It is not a de Polignac number, because 602680321 - 2³ = 602680313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 602680321.

It is not an unprimeable number, because it can be changed into a prime (602680301) 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, 3385756 + ... + 3385933.

It is an arithmetic number, because the mean of its divisors is an integer number (152363025).

Almost surely, 2^602680321 is an apocalyptic number.

It is an amenable number.

602680321 is a deficient number, since it is larger than the sum of its proper divisors (6771779).

602680321 is an equidigital number, since it uses as much as digits as its factorization.

602680321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6771778.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 602680321 is about 24549.5482850500. The cubic root of 602680321 is about 844.6867277042.

The spelling of 602680321 in words is "six hundred two million, six hundred eighty thousand, three hundred twenty-one".