100254217 has 32 divisors (see below), whose sum is σ = 126074880. Its totient is φ = 77837760.

The previous prime is 100254197. The next prime is 100254233. The reversal of 100254217 is 712452001.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-100254217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100254257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264334 + ... + 264712.

It is an arithmetic number, because the mean of its divisors is an integer number (3939840).

Almost surely, 2^100254217 is an apocalyptic number.

It is an amenable number.

100254217 is a deficient number, since it is larger than the sum of its proper divisors (25820663).

100254217 is a wasteful number, since it uses less digits than its factorization.

100254217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 100254217 is about 10012.7027819665. The cubic root of 100254217 is about 464.5518741289.

The spelling of 100254217 in words is "one hundred million, two hundred fifty-four thousand, two hundred seventeen".