521067 has 12 divisors (see below), whose sum is σ = 739256. Its totient is φ = 326400.

The previous prime is 521063. The next prime is 521107. The reversal of 521067 is 760125.

It is not a de Polignac number, because 521067 - 2² = 521063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (521063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 567 + ... + 1167.

2⁵²¹⁰⁶⁷ is an apocalyptic number.

521067 is a deficient number, since it is larger than the sum of its proper divisors (218189).

521067 is a wasteful number, since it uses less digits than its factorization.

521067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 521067 is about 721.8497073491. The cubic root of 521067 is about 80.4694790615.

The spelling of 521067 in words is "five hundred twenty-one thousand, sixty-seven".