521096 has 16 divisors (see below), whose sum is σ = 996300. Its totient is φ = 255424.

The previous prime is 521063. The next prime is 521107. The reversal of 521096 is 690125.

It can be written as a sum of positive squares in 2 ways, for example, as 422500 + 98596 = 650^2 + 314^2 .

It is an alternating number because its digits alternate between odd and even.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 521096.

It is an unprimeable number.

521096 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191 + ... + 1038.

2⁵²¹⁰⁹⁶ is an apocalyptic number.

It is an amenable number.

521096 is a deficient number, since it is larger than the sum of its proper divisors (475204).

521096 is a wasteful number, since it uses less digits than its factorization.

521096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288 (or 1284 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 521096 is about 721.8697943535. The cubic root of 521096 is about 80.4709718776.

The spelling of 521096 in words is "five hundred twenty-one thousand, ninety-six".