100486505 has 12 divisors (see below), whose sum is σ = 140271300. Its totient is φ = 68904864.

The previous prime is 100486501. The next prime is 100486511. The reversal of 100486505 is 505684001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 36917776 + 63568729 = 6076^2 + 7973^2 .

It is not a de Polignac number, because 100486505 - 2² = 100486501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100486501) 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, 204830 + ... + 205319.

It is an arithmetic number, because the mean of its divisors is an integer number (11689275).

Almost surely, 2^100486505 is an apocalyptic number.

It is an amenable number.

100486505 is a deficient number, since it is larger than the sum of its proper divisors (39784795).

100486505 is an equidigital number, since it uses as much as digits as its factorization.

100486505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410168 (or 410161 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 100486505 is about 10024.2957358609. The cubic root of 100486505 is about 464.9103847036.

The spelling of 100486505 in words is "one hundred million, four hundred eighty-six thousand, five hundred five".