100325857 has 4 divisors (see below), whose sum is σ = 106227396. Its totient is φ = 94424320.

The previous prime is 100325843. The next prime is 100325881. The reversal of 100325857 is 758523001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 758523001 = 41 ⋅18500561.

It can be written as a sum of positive squares in 2 ways, for example, as 50637456 + 49688401 = 7116^2 + 7049^2 .

It is a cyclic number.

It is not a de Polignac number, because 100325857 - 2¹¹ = 100323809 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100325887) 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 3 ways as a sum of consecutive naturals, for example, 2950744 + ... + 2950777.

It is an arithmetic number, because the mean of its divisors is an integer number (26556849).

Almost surely, 2^100325857 is an apocalyptic number.

100325857 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

100325857 is a deficient number, since it is larger than the sum of its proper divisors (5901539).

100325857 is an equidigital number, since it uses as much as digits as its factorization.

100325857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5901538.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 100325857 is about 10016.2795987333. The cubic root of 100325857 is about 464.6625014693.

Adding to 100325857 its reverse (758523001), we get a palindrome (858848858).

The spelling of 100325857 in words is "one hundred million, three hundred twenty-five thousand, eight hundred fifty-seven".