100425425 has 12 divisors (see below), whose sum is σ = 127424880. Its totient is φ = 78471120.

The previous prime is 100425421. The next prime is 100425433. The reversal of 100425425 is 524524001.

It is a happy number.

It is not a de Polignac number, because 100425425 - 2² = 100425421 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 100425425.

It is not an unprimeable number, because it can be changed into a prime (100425421) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 45635 + ... + 47784.

It is an arithmetic number, because the mean of its divisors is an integer number (10618740).

Almost surely, 2^100425425 is an apocalyptic number.

It is an amenable number.

100425425 is a deficient number, since it is larger than the sum of its proper divisors (26999455).

100425425 is an equidigital number, since it uses as much as digits as its factorization.

100425425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93472 (or 93467 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 100425425 is about 10021.2486746912. The cubic root of 100425425 is about 464.8161681325.

Adding to 100425425 its reverse (524524001), we get a palindrome (624949426).

The spelling of 100425425 in words is "one hundred million, four hundred twenty-five thousand, four hundred twenty-five".