100210525 has 6 divisors (see below), whose sum is σ = 124261082. Its totient is φ = 80168400.

The previous prime is 100210499. The next prime is 100210543. The reversal of 100210525 is 525012001.

It can be written as a sum of positive squares in 3 ways, for example, as 14055001 + 86155524 = 3749^2 + 9282^2 .

It is not a de Polignac number, because 100210525 - 2¹⁷ = 100079453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100210499 and 100210508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2004186 + ... + 2004235.

Almost surely, 2^100210525 is an apocalyptic number.

It is an amenable number.

100210525 is a deficient number, since it is larger than the sum of its proper divisors (24050557).

100210525 is an equidigital number, since it uses as much as digits as its factorization.

100210525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4008431 (or 4008426 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 100210525 is about 10010.5207157270. The cubic root of 100210525 is about 464.4843785482.

Adding to 100210525 its reverse (525012001), we get a palindrome (625222526).

The spelling of 100210525 in words is "one hundred million, two hundred ten thousand, five hundred twenty-five".