525500011 has 8 divisors (see below), whose sum is σ = 539989424. Its totient is φ = 511025760.

The previous prime is 525499991. The next prime is 525500023. The reversal of 525500011 is 110005525.

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

It is a cyclic number.

It is not a de Polignac number, because 525500011 - 2¹⁷ = 525368939 is a prime.

It is a super-2 number, since 2×525500011² = 552300523122000242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525500611) 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, 131716 + ... + 135646.

It is an arithmetic number, because the mean of its divisors is an integer number (67498678).

Almost surely, 2^525500011 is an apocalyptic number.

525500011 is a deficient number, since it is larger than the sum of its proper divisors (14489413).

525500011 is a wasteful number, since it uses less digits than its factorization.

525500011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7581.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 525500011 is about 22923.7870126208. The cubic root of 525500011 is about 806.9703471694.

Adding to 525500011 its reverse (110005525), we get a palindrome (635505536).

The spelling of 525500011 in words is "five hundred twenty-five million, five hundred thousand, eleven".