100266625 has 8 divisors (see below), whose sum is σ = 125132904. Its totient is φ = 80213200.

The previous prime is 100266613. The next prime is 100266631. The reversal of 100266625 is 526662001.

It can be written as a sum of positive squares in 4 ways, for example, as 20575296 + 79691329 = 4536^2 + 8927^2 .

It is not a de Polignac number, because 100266625 - 2¹⁹ = 99742337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100266593 and 100266602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400942 + ... + 401191.

It is an arithmetic number, because the mean of its divisors is an integer number (15641613).

Almost surely, 2^100266625 is an apocalyptic number.

It is an amenable number.

100266625 is a deficient number, since it is larger than the sum of its proper divisors (24866279).

100266625 is an frugal number, since it uses more digits than its factorization.

100266625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802148 (or 802138 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 100266625 is about 10013.3223757153. The cubic root of 100266625 is about 464.5710384827.

The spelling of 100266625 in words is "one hundred million, two hundred sixty-six thousand, six hundred twenty-five".