521074 has 16 divisors (see below), whose sum is σ = 820512. Its totient is φ = 247968.

The previous prime is 521063. The next prime is 521107. The reversal of 521074 is 470125.

521074 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×521074² = 543036226952, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6237 + ... + 6319.

It is an arithmetic number, because the mean of its divisors is an integer number (51282).

2⁵²¹⁰⁷⁴ is an apocalyptic number.

521074 is a deficient number, since it is larger than the sum of its proper divisors (299438).

521074 is a wasteful number, since it uses less digits than its factorization.

521074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 521074 is about 721.8545559876. The cubic root of 521074 is about 80.4698394015.

Adding to 521074 its reverse (470125), we get a palindrome (991199).

The spelling of 521074 in words is "five hundred twenty-one thousand, seventy-four".