100251385 has 16 divisors (see below), whose sum is σ = 129862656. Its totient is φ = 73856448.

The previous prime is 100251379. The next prime is 100251407. The reversal of 100251385 is 583152001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 100251385 - 2³ = 100251377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 30072 + ... + 33238.

It is an arithmetic number, because the mean of its divisors is an integer number (8116416).

Almost surely, 2^100251385 is an apocalyptic number.

It is an amenable number.

100251385 is a deficient number, since it is larger than the sum of its proper divisors (29611271).

100251385 is a wasteful number, since it uses less digits than its factorization.

100251385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3672.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 100251385 is about 10012.5613606110. The cubic root of 100251385 is about 464.5474998381.

The spelling of 100251385 in words is "one hundred million, two hundred fifty-one thousand, three hundred eighty-five".