100489577 has 4 divisors (see below), whose sum is σ = 101129796. Its totient is φ = 99849360.

The previous prime is 100489573. The next prime is 100489583. The reversal of 100489577 is 775984001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9554281 + 90935296 = 3091^2 + 9536^2 .

It is a cyclic number.

It is not a de Polignac number, because 100489577 - 2² = 100489573 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100489573) 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, 319874 + ... + 320187.

It is an arithmetic number, because the mean of its divisors is an integer number (25282449).

Almost surely, 2^100489577 is an apocalyptic number.

It is an amenable number.

100489577 is a deficient number, since it is larger than the sum of its proper divisors (640219).

100489577 is an equidigital number, since it uses as much as digits as its factorization.

100489577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640218.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 100489577 is about 10024.4489624118. The cubic root of 100489577 is about 464.9151222888.

The spelling of 100489577 in words is "one hundred million, four hundred eighty-nine thousand, five hundred seventy-seven".