100627649 has 4 divisors (see below), whose sum is σ = 100799664. Its totient is φ = 100455636.

The previous prime is 100627609. The next prime is 100627663. The reversal of 100627649 is 946726001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100627649 - 2¹⁶ = 100562113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100627609) 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, 85127 + ... + 86300.

It is an arithmetic number, because the mean of its divisors is an integer number (25199916).

Almost surely, 2^100627649 is an apocalyptic number.

It is an amenable number.

100627649 is a deficient number, since it is larger than the sum of its proper divisors (172015).

100627649 is an equidigital number, since it uses as much as digits as its factorization.

100627649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172014.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 100627649 is about 10031.3333610243. Note that the first 4 decimals coincide. The cubic root of 100627649 is about 465.1279549209.

The spelling of 100627649 in words is "one hundred million, six hundred twenty-seven thousand, six hundred forty-nine".