602381 has 4 divisors (see below), whose sum is σ = 648732. Its totient is φ = 556032.

The previous prime is 602377. The next prime is 602383. The reversal of 602381 is 183206.

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 168100 + 434281 = 410^2 + 659^2 .

It is a cyclic number.

It is not a de Polignac number, because 602381 - 2² = 602377 is a prime.

It is a super-2 number, since 2×602381² = 725725738322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (602383) 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, 23156 + ... + 23181.

It is an arithmetic number, because the mean of its divisors is an integer number (162183).

2⁶⁰²³⁸¹ is an apocalyptic number.

It is an amenable number.

602381 is a deficient number, since it is larger than the sum of its proper divisors (46351).

602381 is a wasteful number, since it uses less digits than its factorization.

602381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46350.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 602381 is about 776.1320763891. The cubic root of 602381 is about 84.4546866745.

Adding to 602381 its reverse (183206), we get a palindrome (785587).

The spelling of 602381 in words is "six hundred two thousand, three hundred eighty-one".