525211101 has 16 divisors (see below), whose sum is σ = 778811520. Its totient is φ = 349816320.

The previous prime is 525211067. The next prime is 525211103. The reversal of 525211101 is 101112525.

It is not a de Polignac number, because 525211101 - 2¹⁴ = 525194717 is a prime.

It is a super-2 number, since 2×525211101² = 551693401227264402, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525211103) 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, 22696 + ... + 39566.

It is an arithmetic number, because the mean of its divisors is an integer number (48675720).

Almost surely, 2^525211101 is an apocalyptic number.

It is an amenable number.

525211101 is a deficient number, since it is larger than the sum of its proper divisors (253600419).

525211101 is a wasteful number, since it uses less digits than its factorization.

525211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18033 (or 18027 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 525211101 is about 22917.4846132816. The cubic root of 525211101 is about 806.8224343646.

Adding to 525211101 its reverse (101112525), we get a palindrome (626323626).

The spelling of 525211101 in words is "five hundred twenty-five million, two hundred eleven thousand, one hundred one".