525113211 has 8 divisors (see below), whose sum is σ = 800172544. Its totient is φ = 300064680.

The previous prime is 525113189. The next prime is 525113219. The reversal of 525113211 is 112311525.

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

It is not a de Polignac number, because 525113211 - 2⁹ = 525112699 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 25005391 = 525113211 / (5 + 2 + 5 + 1 + 1 + 3 + 2 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525113219) 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, 12502675 + ... + 12502716.

It is an arithmetic number, because the mean of its divisors is an integer number (100021568).

Almost surely, 2^525113211 is an apocalyptic number.

525113211 is a deficient number, since it is larger than the sum of its proper divisors (275059333).

525113211 is a wasteful number, since it uses less digits than its factorization.

525113211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25005401.

The product of its digits is 300, while the sum is 21.

The square root of 525113211 is about 22915.3488081679. The cubic root of 525113211 is about 806.7723054702.

Adding to 525113211 its reverse (112311525), we get a palindrome (637424736).

The spelling of 525113211 in words is "five hundred twenty-five million, one hundred thirteen thousand, two hundred eleven".