100415397 has 4 divisors (see below), whose sum is σ = 133887200. Its totient is φ = 66943596.

The previous prime is 100415353. The next prime is 100415411. The reversal of 100415397 is 793514001.

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 not a de Polignac number, because 100415397 - 2¹¹ = 100413349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100415347) 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, 16735897 + ... + 16735902.

It is an arithmetic number, because the mean of its divisors is an integer number (33471800).

Almost surely, 2^100415397 is an apocalyptic number.

It is an amenable number.

100415397 is a deficient number, since it is larger than the sum of its proper divisors (33471803).

100415397 is an equidigital number, since it uses as much as digits as its factorization.

100415397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33471802.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 100415397 is about 10020.7483253498. The cubic root of 100415397 is about 464.8006961818.

Adding to 100415397 its reverse (793514001), we get a palindrome (893929398).

The spelling of 100415397 in words is "one hundred million, four hundred fifteen thousand, three hundred ninety-seven".