525023213 has 16 divisors (see below), whose sum is σ = 622593216. Its totient is φ = 436448640.

The previous prime is 525023209. The next prime is 525023273. The reversal of 525023213 is 312320525.

It is a cyclic number.

It is not a de Polignac number, because 525023213 - 2² = 525023209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525023273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1856 + ... + 32457.

It is an arithmetic number, because the mean of its divisors is an integer number (38912076).

Almost surely, 2^525023213 is an apocalyptic number.

It is an amenable number.

525023213 is a deficient number, since it is larger than the sum of its proper divisors (97570003).

525023213 is a wasteful number, since it uses less digits than its factorization.

525023213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34444.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 525023213 is about 22913.3850183686. The cubic root of 525023213 is about 806.7262125257.

Adding to 525023213 its reverse (312320525), we get a palindrome (837343738).

The spelling of 525023213 in words is "five hundred twenty-five million, twenty-three thousand, two hundred thirteen".