100163425 has 6 divisors (see below), whose sum is σ = 124202678. Its totient is φ = 80130720.

The previous prime is 100163423. The next prime is 100163431. The reversal of 100163425 is 524361001.

It can be written as a sum of positive squares in 3 ways, for example, as 16184529 + 83978896 = 4023^2 + 9164^2 .

It is not a de Polignac number, because 100163425 - 2¹ = 100163423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100163396 and 100163405.

It is not an unprimeable number, because it can be changed into a prime (100163423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2003244 + ... + 2003293.

Almost surely, 2^100163425 is an apocalyptic number.

It is an amenable number.

100163425 is a deficient number, since it is larger than the sum of its proper divisors (24039253).

100163425 is an equidigital number, since it uses as much as digits as its factorization.

100163425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4006547 (or 4006542 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 100163425 is about 10008.1679142588. The cubic root of 100163425 is about 464.4115962976.

The spelling of 100163425 in words is "one hundred million, one hundred sixty-three thousand, four hundred twenty-five".