578381 has 4 divisors (see below), whose sum is σ = 603552. Its totient is φ = 553212.

The previous prime is 578371. The next prime is 578399. The reversal of 578381 is 183875.

578381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 578381 - 2⁶ = 578317 is a prime.

It is a super-2 number, since 2×578381² = 669049162322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

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 578381.

It is not an unprimeable number, because it can be changed into a prime (578311) 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, 12551 + ... + 12596.

It is an arithmetic number, because the mean of its divisors is an integer number (150888).

2⁵⁷⁸³⁸¹ is an apocalyptic number.

It is an amenable number.

578381 is a deficient number, since it is larger than the sum of its proper divisors (25171).

578381 is a wasteful number, since it uses less digits than its factorization.

578381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25170.

The product of its digits is 6720, while the sum is 32.

The square root of 578381 is about 760.5136422182. The cubic root of 578381 is about 83.3178406755.

It can be divided in two parts, 578 and 381, that added together give a palindrome (959).

The spelling of 578381 in words is "five hundred seventy-eight thousand, three hundred eighty-one".