100006425 has 18 divisors (see below), whose sum is σ = 179123022. Its totient is φ = 53336640.

The previous prime is 100006397. The next prime is 100006457. The reversal of 100006425 is 524600001.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 266256 + 99740169 = 516^2 + 9987^2 .

It is not a de Polignac number, because 100006425 - 2⁸ = 100006169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100006398 and 100006407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 222012 + ... + 222461.

It is an arithmetic number, because the mean of its divisors is an integer number (9951279).

Almost surely, 2^100006425 is an apocalyptic number.

100006425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100006425 is a deficient number, since it is larger than the sum of its proper divisors (79116597).

100006425 is a wasteful number, since it uses less digits than its factorization.

100006425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444489 (or 444481 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 100006425 is about 10000.3212448401. The cubic root of 100006425 is about 464.1688238845.

Adding to 100006425 its reverse (524600001), we get a palindrome (624606426).

The spelling of 100006425 in words is "one hundred million, six thousand, four hundred twenty-five".