100210025 has 12 divisors (see below), whose sum is σ = 126368400. Its totient is φ = 78808080.

The previous prime is 100210001. The next prime is 100210043. The reversal of 100210025 is 520012001.

It is not a de Polignac number, because 100210025 - 2⁶ = 100209961 is a prime.

It is a super-2 number, since 2×100210025² = 20084098221001250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100209988 and 100210015.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32495 + ... + 35444.

It is an arithmetic number, because the mean of its divisors is an integer number (10530700).

Almost surely, 2^100210025 is an apocalyptic number.

It is an amenable number.

100210025 is a deficient number, since it is larger than the sum of its proper divisors (26158375).

100210025 is an equidigital number, since it uses as much as digits as its factorization.

100210025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68008 (or 68003 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 100210025 is about 10010.4957419700. The cubic root of 100210025 is about 464.4836060326.

Adding to 100210025 its reverse (520012001), we get a palindrome (620222026).

The spelling of 100210025 in words is "one hundred million, two hundred ten thousand, twenty-five".