101000393 has 4 divisors (see below), whose sum is σ = 108769668. Its totient is φ = 93231120.

The previous prime is 101000363. The next prime is 101000401. The reversal of 101000393 is 393000101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5508409 + 95491984 = 2347^2 + 9772^2 .

It is a cyclic number.

It is not a de Polignac number, because 101000393 - 2⁶ = 101000329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101000363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3884618 + ... + 3884643.

It is an arithmetic number, because the mean of its divisors is an integer number (27192417).

Almost surely, 2^101000393 is an apocalyptic number.

101000393 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

101000393 is a deficient number, since it is larger than the sum of its proper divisors (7769275).

101000393 is an equidigital number, since it uses as much as digits as its factorization.

101000393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7769274.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 101000393 is about 10049.8951735827. The cubic root of 101000393 is about 465.7015548076.

Adding to 101000393 its reverse (393000101), we get a palindrome (494000494).

The spelling of 101000393 in words is "one hundred one million, three hundred ninety-three", and thus it is an aban number.