100494571 has 4 divisors (see below), whose sum is σ = 100642392. Its totient is φ = 100346752.

The previous prime is 100494551. The next prime is 100494587. The reversal of 100494571 is 175494001.

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

It is a cyclic number.

It is not a de Polignac number, because 100494571 - 2⁵ = 100494539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100494551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72886 + ... + 74251.

It is an arithmetic number, because the mean of its divisors is an integer number (25160598).

Almost surely, 2^100494571 is an apocalyptic number.

100494571 is a deficient number, since it is larger than the sum of its proper divisors (147821).

100494571 is an equidigital number, since it uses as much as digits as its factorization.

100494571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147820.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 100494571 is about 10024.6980503155. The cubic root of 100494571 is about 464.9228237432.

The spelling of 100494571 in words is "one hundred million, four hundred ninety-four thousand, five hundred seventy-one".