100236925 has 6 divisors (see below), whose sum is σ = 124293818. Its totient is φ = 80189520.

The previous prime is 100236911. The next prime is 100236937. The reversal of 100236925 is 529632001.

It can be written as a sum of positive squares in 3 ways, for example, as 32569849 + 67667076 = 5707^2 + 8226^2 .

It is not a de Polignac number, because 100236925 - 2⁵ = 100236893 is a prime.

It is a super-2 number, since 2×100236925² = 20094882266911250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100236893 and 100236902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2004714 + ... + 2004763.

Almost surely, 2^100236925 is an apocalyptic number.

It is an amenable number.

100236925 is a deficient number, since it is larger than the sum of its proper divisors (24056893).

100236925 is an equidigital number, since it uses as much as digits as its factorization.

100236925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4009487 (or 4009482 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 100236925 is about 10011.8392416179. The cubic root of 100236925 is about 464.5251637216.

Adding to 100236925 its reverse (529632001), we get a palindrome (629868926).

The spelling of 100236925 in words is "one hundred million, two hundred thirty-six thousand, nine hundred twenty-five".