101489233 has 2 divisors, whose sum is σ = 101489234. Its totient is φ = 101489232.

The previous prime is 101489231. The next prime is 101489251. The reversal of 101489233 is 332984101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101364624 + 124609 = 10068^2 + 353^2 .

It is a cyclic number.

It is not a de Polignac number, because 101489233 - 2¹ = 101489231 is a prime.

Together with 101489231, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 101489195 and 101489204.

It is not a weakly prime, because it can be changed into another prime (101489231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50744616 + 50744617.

It is an arithmetic number, because the mean of its divisors is an integer number (50744617).

Almost surely, 2^101489233 is an apocalyptic number.

It is an amenable number.

101489233 is a deficient number, since it is larger than the sum of its proper divisors (1).

101489233 is an equidigital number, since it uses as much as digits as its factorization.

101489233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 101489233 is about 10074.1864683954. The cubic root of 101489233 is about 466.4516748354.

The spelling of 101489233 in words is "one hundred one million, four hundred eighty-nine thousand, two hundred thirty-three".