100450513 has 4 divisors (see below), whose sum is σ = 100538788. Its totient is φ = 100362240.

The previous prime is 100450489. The next prime is 100450531. The reversal of 100450513 is 315054001.

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 82029249 + 18421264 = 9057^2 + 4292^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100450513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100450583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42408 + ... + 44713.

It is an arithmetic number, because the mean of its divisors is an integer number (25134697).

Almost surely, 2^100450513 is an apocalyptic number.

It is an amenable number.

100450513 is a deficient number, since it is larger than the sum of its proper divisors (88275).

100450513 is an equidigital number, since it uses as much as digits as its factorization.

100450513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88274.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 100450513 is about 10022.5003367423. The cubic root of 100450513 is about 464.8548712700.

The spelling of 100450513 in words is "one hundred million, four hundred fifty thousand, five hundred thirteen".