101383489 has 4 divisors (see below), whose sum is σ = 101898324. Its totient is φ = 100868656.

The previous prime is 101383481. The next prime is 101383501. The reversal of 101383489 is 984383101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 984383101 = 13 ⋅75721777.

It can be written as a sum of positive squares in 2 ways, for example, as 67650625 + 33732864 = 8225^2 + 5808^2 .

It is a cyclic number.

It is not a de Polignac number, because 101383489 - 2³ = 101383481 is a prime.

It is a super-2 number, since 2×101383489² = 20557223683626242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101383481) 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, 257122 + ... + 257515.

It is an arithmetic number, because the mean of its divisors is an integer number (25474581).

Almost surely, 2^101383489 is an apocalyptic number.

It is an amenable number.

101383489 is a deficient number, since it is larger than the sum of its proper divisors (514835).

101383489 is an equidigital number, since it uses as much as digits as its factorization.

101383489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514834.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 101383489 is about 10068.9368356346. The cubic root of 101383489 is about 466.2896162434.

The spelling of 101383489 in words is "one hundred one million, three hundred eighty-three thousand, four hundred eighty-nine".