521452 has 6 divisors (see below), whose sum is σ = 912548. Its totient is φ = 260724.

The previous prime is 521447. The next prime is 521471. The reversal of 521452 is 254125.

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 as a sum of consecutive naturals, namely, 65178 + ... + 65185.

2⁵²¹⁴⁵² is an apocalyptic number.

It is an amenable number.

521452 is a deficient number, since it is larger than the sum of its proper divisors (391096).

521452 is a wasteful number, since it uses less digits than its factorization.

521452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130367 (or 130365 counting only the distinct ones).

The product of its digits is 400, while the sum is 19.

The square root of 521452 is about 722.1163341180. The cubic root of 521452 is about 80.4892929705.

Adding to 521452 its reverse (254125), we get a palindrome (775577).

The spelling of 521452 in words is "five hundred twenty-one thousand, four hundred fifty-two".