603381 has 8 divisors (see below), whose sum is σ = 851904. Its totient is φ = 378560.

The previous prime is 603349. The next prime is 603389. The reversal of 603381 is 183306.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 603381 - 2⁵ = 603349 is a prime.

It is a super-2 number, since 2×603381² = 728137262322, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 603381.

It is not an unprimeable number, because it can be changed into a prime (603389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5865 + ... + 5966.

It is an arithmetic number, because the mean of its divisors is an integer number (106488).

2⁶⁰³³⁸¹ is an apocalyptic number.

It is an amenable number.

603381 is a deficient number, since it is larger than the sum of its proper divisors (248523).

603381 is a wasteful number, since it uses less digits than its factorization.

603381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11851.

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

The square root of 603381 is about 776.7760294963. The cubic root of 603381 is about 84.5013946527.

Adding to 603381 its reverse (183306), we get a palindrome (786687).

The spelling of 603381 in words is "six hundred three thousand, three hundred eighty-one".