100078325 has 6 divisors (see below), whose sum is σ = 124097154. Its totient is φ = 80062640.

The previous prime is 100078291. The next prime is 100078351. The reversal of 100078325 is 523870001.

It can be written as a sum of positive squares in 3 ways, for example, as 1493284 + 98585041 = 1222^2 + 9929^2 .

It is not a de Polignac number, because 100078325 - 2²⁴ = 83301109 is a prime.

It is a super-2 number, since 2×100078325² = 20031342269611250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100078294 and 100078303.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 2001542 + ... + 2001591.

It is an arithmetic number, because the mean of its divisors is an integer number (20682859).

Almost surely, 2^100078325 is an apocalyptic number.

It is an amenable number.

100078325 is a deficient number, since it is larger than the sum of its proper divisors (24018829).

100078325 is an equidigital number, since it uses as much as digits as its factorization.

100078325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4003143 (or 4003138 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 100078325 is about 10003.9154834495. The cubic root of 100078325 is about 464.2800358843.

The spelling of 100078325 in words is "one hundred million, seventy-eight thousand, three hundred twenty-five".