100216925 has 36 divisors (see below), whose sum is σ = 135616320. Its totient is φ = 73228320.

The previous prime is 100216913. The next prime is 100216927. The reversal of 100216925 is 529612001.

It is not a de Polignac number, because 100216925 - 2¹² = 100212829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100216894 and 100216903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100216927) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1495742 + ... + 1495808.

It is an arithmetic number, because the mean of its divisors is an integer number (3767120).

Almost surely, 2^100216925 is an apocalyptic number.

It is an amenable number.

100216925 is a deficient number, since it is larger than the sum of its proper divisors (35399395).

100216925 is an equidigital number, since it uses as much as digits as its factorization.

100216925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 100216925 is about 10010.8403743142. The cubic root of 100216925 is about 464.4942665207.

Adding to 100216925 its reverse (529612001), we get a palindrome (629828926).

The spelling of 100216925 in words is "one hundred million, two hundred sixteen thousand, nine hundred twenty-five".