525435213 has 24 divisors (see below), whose sum is σ = 741468928. Its totient is φ = 330624000.

The previous prime is 525435199. The next prime is 525435221. The reversal of 525435213 is 312534525.

It is not a de Polignac number, because 525435213 - 2⁵ = 525435181 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525435223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154653 + ... + 158013.

Almost surely, 2^525435213 is an apocalyptic number.

It is an amenable number.

525435213 is a deficient number, since it is larger than the sum of its proper divisors (216033715).

525435213 is a wasteful number, since it uses less digits than its factorization.

525435213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3477 (or 3436 counting only the distinct ones).

The product of its digits is 18000, while the sum is 30.

The square root of 525435213 is about 22922.3736336358. The cubic root of 525435213 is about 806.9371773548.

Adding to 525435213 its reverse (312534525), we get a palindrome (837969738).

The spelling of 525435213 in words is "five hundred twenty-five million, four hundred thirty-five thousand, two hundred thirteen".