539401 has 2 divisors, whose sum is σ = 539402. Its totient is φ = 539400.

The previous prime is 539389. The next prime is 539447. The reversal of 539401 is 104935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 423801 + 115600 = 651^2 + 340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-539401 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (539101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269700 + 269701.

It is an arithmetic number, because the mean of its divisors is an integer number (269701).

2⁵³⁹⁴⁰¹ is an apocalyptic number.

539401 is the 465-th centered pentagonal number.

It is an amenable number.

539401 is a deficient number, since it is larger than the sum of its proper divisors (1).

539401 is an equidigital number, since it uses as much as digits as its factorization.

539401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 539401 is about 734.4392418710. The cubic root of 539401 is about 81.4024074290.

The spelling of 539401 in words is "five hundred thirty-nine thousand, four hundred one".