100890259 has 4 divisors (see below), whose sum is σ = 105276816. Its totient is φ = 96503704.

The previous prime is 100890253. The next prime is 100890263. The reversal of 100890259 is 952098001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 952098001 = 71 ⋅13409831.

It is a cyclic number.

It is not a de Polignac number, because 100890259 - 2⁷ = 100890131 is a prime.

It is a super-2 number, since 2×100890259² = 20357688722174162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100890253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2193244 + ... + 2193289.

It is an arithmetic number, because the mean of its divisors is an integer number (26319204).

Almost surely, 2^100890259 is an apocalyptic number.

100890259 is a deficient number, since it is larger than the sum of its proper divisors (4386557).

100890259 is an equidigital number, since it uses as much as digits as its factorization.

100890259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4386556.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 100890259 is about 10044.4143184160. The cubic root of 100890259 is about 465.5322213776.

The spelling of 100890259 in words is "one hundred million, eight hundred ninety thousand, two hundred fifty-nine".