529401 has 4 divisors (see below), whose sum is σ = 705872. Its totient is φ = 352932.

The previous prime is 529393. The next prime is 529411. The reversal of 529401 is 104925.

529401 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 not a de Polignac number, because 529401 - 2³ = 529393 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

529401 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (529411) 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, 88231 + ... + 88236.

It is an arithmetic number, because the mean of its divisors is an integer number (176468).

2⁵²⁹⁴⁰¹ is an apocalyptic number.

It is an amenable number.

529401 is a deficient number, since it is larger than the sum of its proper divisors (176471).

529401 is a wasteful number, since it uses less digits than its factorization.

529401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176470.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 529401 is about 727.5994777348. The cubic root of 529401 is about 80.8962243641.

It can be divided in two parts, 52 and 9401, that added together give a triangular number (9453 = T₁₃₇).

The spelling of 529401 in words is "five hundred twenty-nine thousand, four hundred one".