100325780 has 24 divisors (see below), whose sum is σ = 212621640. Its totient is φ = 39761280.

The previous prime is 100325749. The next prime is 100325831. The reversal of 100325780 is 87523001.

It can be written as a sum of positive squares in 4 ways, for example, as 46185616 + 54140164 = 6796^2 + 7358^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20831 + ... + 25190.

It is an arithmetic number, because the mean of its divisors is an integer number (8859235).

Almost surely, 2^100325780 is an apocalyptic number.

100325780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100325780 is an abundant number, since it is smaller than the sum of its proper divisors (112295860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100325780 is a wasteful number, since it uses less digits than its factorization.

100325780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46139 (or 46137 counting only the distinct ones).

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

The square root of 100325780 is about 10016.2757549900. The cubic root of 100325780 is about 464.6623825933.

Adding to 100325780 its reverse (87523001), we get a palindrome (187848781).

The spelling of 100325780 in words is "one hundred million, three hundred twenty-five thousand, seven hundred eighty".