525421324 has 6 divisors (see below), whose sum is σ = 919487324. Its totient is φ = 262710660.

The previous prime is 525421301. The next prime is 525421339. The reversal of 525421324 is 423124525.

It is a junction number, because it is equal to n+sod(n) for n = 525421292 and 525421301.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65677662 + ... + 65677669.

Almost surely, 2^525421324 is an apocalyptic number.

It is an amenable number.

525421324 is a deficient number, since it is larger than the sum of its proper divisors (394066000).

525421324 is a wasteful number, since it uses less digits than its factorization.

525421324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131355335 (or 131355333 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 525421324 is about 22922.0706743523. The cubic root of 525421324 is about 806.9300672811.

Adding to 525421324 its reverse (423124525), we get a palindrome (948545849).

The spelling of 525421324 in words is "five hundred twenty-five million, four hundred twenty-one thousand, three hundred twenty-four".