578401 has 2 divisors, whose sum is σ = 578402. Its totient is φ = 578400.

The previous prime is 578399. The next prime is 578407. The reversal of 578401 is 104875.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 564001 + 14400 = 751^2 + 120^2 .

It is a cyclic number.

It is not a de Polignac number, because 578401 - 2¹ = 578399 is a prime.

Together with 578399, it forms a pair of twin primes.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (578407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289200 + 289201.

It is an arithmetic number, because the mean of its divisors is an integer number (289201).

2⁵⁷⁸⁴⁰¹ is an apocalyptic number.

It is an amenable number.

578401 is a deficient number, since it is larger than the sum of its proper divisors (1).

578401 is an equidigital number, since it uses as much as digits as its factorization.

578401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 578401 is about 760.5267911126. The cubic root of 578401 is about 83.3188010214.

It can be divided in two parts, 578 and 401, that added together give a palindrome (979).

The spelling of 578401 in words is "five hundred seventy-eight thousand, four hundred one".