100013255 has 4 divisors (see below), whose sum is σ = 120015912. Its totient is φ = 80010600.

The previous prime is 100013237. The next prime is 100013273. The reversal of 100013255 is 552310001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 552310001 = 1453 ⋅380117.

It is an interprime number because it is at equal distance from previous prime (100013237) and next prime (100013273).

It is not a de Polignac number, because 100013255 - 2²² = 95818951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10001321 + ... + 10001330.

It is an arithmetic number, because the mean of its divisors is an integer number (30003978).

Almost surely, 2^100013255 is an apocalyptic number.

100013255 is a deficient number, since it is larger than the sum of its proper divisors (20002657).

100013255 is an equidigital number, since it uses as much as digits as its factorization.

100013255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20002656.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 100013255 is about 10000.6627280396. The cubic root of 100013255 is about 464.1793905419.

Adding to 100013255 its reverse (552310001), we get a palindrome (652323256).

The spelling of 100013255 in words is "one hundred million, thirteen thousand, two hundred fifty-five".