525429 has 12 divisors (see below), whose sum is σ = 769600. Its totient is φ = 345384.

The previous prime is 525409. The next prime is 525431. The reversal of 525429 is 924525.

525429 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 525429 - 2⁵ = 525397 is a prime.

It is a Duffinian number.

525429 is strictly pandigital in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342 + ... + 1080.

2⁵²⁵⁴²⁹ is an apocalyptic number.

It is an amenable number.

525429 is a deficient number, since it is larger than the sum of its proper divisors (244171).

525429 is a wasteful number, since it uses less digits than its factorization.

525429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824 (or 821 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 525429 is about 724.8648149828. The cubic root of 525429 is about 80.6933996804.

It can be divided in two parts, 52542 and 9, that multiplied together give a triangular number (472878 = T₉₇₂).

The spelling of 525429 in words is "five hundred twenty-five thousand, four hundred twenty-nine".