524890 has 8 divisors (see below), whose sum is σ = 944820. Its totient is φ = 209952.

The previous prime is 524873. The next prime is 524893. The reversal of 524890 is 98425.

524890 = 322² + 323² + ... + 326².

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 491401 + 33489 = 701^2 + 183^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 5 + 2¹⁹ + 8³ + 4 + 9² + 0 .

It is a zygodrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (524893) 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, 26235 + ... + 26254.

524890 is a Friedman number, since it can be written as 80*9^4+5*2, using all its digits and the basic arithmetic operations.

2⁵²⁴⁸⁹⁰ is an apocalyptic number.

524890 is a deficient number, since it is larger than the sum of its proper divisors (419930).

524890 is a wasteful number, since it uses less digits than its factorization.

524890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52496.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 524890 is about 724.4929261214. The cubic root of 524890 is about 80.6657977124.

The spelling of 524890 in words is "five hundred twenty-four thousand, eight hundred ninety".