603881 has 2 divisors, whose sum is σ = 603882. Its totient is φ = 603880.

The previous prime is 603859. The next prime is 603893. The reversal of 603881 is 188306.

603881 is nontrivially palindromic in base 15.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 570025 + 33856 = 755^2 + 184^2 .

It is a cyclic number.

It is not a de Polignac number, because 603881 - 2⁶ = 603817 is a prime.

It is a super-2 number, since 2×603881² = 729344524322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 603881.

It is not a weakly prime, because it can be changed into another prime (603821) 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 as a sum of consecutive naturals, namely, 301940 + 301941.

It is an arithmetic number, because the mean of its divisors is an integer number (301941).

2⁶⁰³⁸⁸¹ is an apocalyptic number.

It is an amenable number.

603881 is a deficient number, since it is larger than the sum of its proper divisors (1).

603881 is an equidigital number, since it uses as much as digits as its factorization.

603881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 603881 is about 777.0978059421. The cubic root of 603881 is about 84.5247292910.

The spelling of 603881 in words is "six hundred three thousand, eight hundred eighty-one".