529445 has 12 divisors (see below), whose sum is σ = 739404. Its totient is φ = 362880.

The previous prime is 529423. The next prime is 529471. The reversal of 529445 is 544925.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 261121 + 268324 = 511^2 + 518^2 .

It is not a de Polignac number, because 529445 - 2⁶ = 529381 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 836 + ... + 1325.

It is an arithmetic number, because the mean of its divisors is an integer number (61617).

2⁵²⁹⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

529445 is a deficient number, since it is larger than the sum of its proper divisors (209959).

529445 is a wasteful number, since it uses less digits than its factorization.

529445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180 (or 2173 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 529445 is about 727.6297135219. The cubic root of 529445 is about 80.8984654726.

The spelling of 529445 in words is "five hundred twenty-nine thousand, four hundred forty-five".