100506512 has 10 divisors (see below), whose sum is σ = 194731398. Its totient is φ = 50253248.

The previous prime is 100506449. The next prime is 100506517. The reversal of 100506512 is 215605001.

It can be written as a sum of positive squares in only one way, i.e., 58308496 + 42198016 = 7636^2 + 6496^2 .

It is a super-2 number, since 2×100506512² = 20203117908812288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100506517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3140813 + ... + 3140844.

Almost surely, 2^100506512 is an apocalyptic number.

It is an amenable number.

100506512 is a deficient number, since it is larger than the sum of its proper divisors (94224886).

100506512 is an equidigital number, since it uses as much as digits as its factorization.

100506512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6281665 (or 6281659 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 100506512 is about 10025.2936116605. The cubic root of 100506512 is about 464.9412374197.

The spelling of 100506512 in words is "one hundred million, five hundred six thousand, five hundred twelve".