525641213 has 8 divisors (see below), whose sum is σ = 553621920. Its totient is φ = 497692080.

The previous prime is 525641183. The next prime is 525641257. The reversal of 525641213 is 312146525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 525641213 - 2¹⁰ = 525640189 is a prime.

It is a super-2 number, since 2×525641213² = 552597369608222738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525641713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31331 + ... + 45087.

It is an arithmetic number, because the mean of its divisors is an integer number (69202740).

Almost surely, 2^525641213 is an apocalyptic number.

It is an amenable number.

525641213 is a deficient number, since it is larger than the sum of its proper divisors (27980707).

525641213 is a wasteful number, since it uses less digits than its factorization.

525641213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15787.

The product of its digits is 7200, while the sum is 29.

The square root of 525641213 is about 22926.8666197542. The cubic root of 525641213 is about 807.0426184161.

Adding to 525641213 its reverse (312146525), we get a palindrome (837787738).

The spelling of 525641213 in words is "five hundred twenty-five million, six hundred forty-one thousand, two hundred thirteen".