100425553 has 8 divisors (see below), whose sum is σ = 102249000. Its totient is φ = 98617728.

The previous prime is 100425551. The next prime is 100425569. The reversal of 100425553 is 355524001.

It can be written as a sum of positive squares in 4 ways, for example, as 13712209 + 86713344 = 3703^2 + 9312^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100425553 - 2¹ = 100425551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100425551) 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 7 ways as a sum of consecutive naturals, for example, 9475 + ... + 17047.

It is an arithmetic number, because the mean of its divisors is an integer number (12781125).

Almost surely, 2^100425553 is an apocalyptic number.

It is an amenable number.

100425553 is a deficient number, since it is larger than the sum of its proper divisors (1823447).

100425553 is an equidigital number, since it uses as much as digits as its factorization.

100425553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7811.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 100425553 is about 10021.2550611188. The cubic root of 100425553 is about 464.8163656139.

Adding to 100425553 its reverse (355524001), we get a palindrome (455949554).

The spelling of 100425553 in words is "one hundred million, four hundred twenty-five thousand, five hundred fifty-three".