521214532 has 24 divisors (see below), whose sum is σ = 942681600. Its totient is φ = 251897280.

The previous prime is 521214493. The next prime is 521214553. The reversal of 521214532 is 235412125.

It is a junction number, because it is equal to n+sod(n) for n = 521214497 and 521214506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128073 + ... + 132079.

It is an arithmetic number, because the mean of its divisors is an integer number (39278400).

Almost surely, 2^521214532 is an apocalyptic number.

It is an amenable number.

521214532 is a deficient number, since it is larger than the sum of its proper divisors (421467068).

521214532 is a wasteful number, since it uses less digits than its factorization.

521214532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5091 (or 5089 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 521214532 is about 22830.1233461407. The cubic root of 521214532 is about 804.7707290445.

Adding to 521214532 its reverse (235412125), we get a palindrome (756626657).

The spelling of 521214532 in words is "five hundred twenty-one million, two hundred fourteen thousand, five hundred thirty-two".