101604281 has 2 divisors, whose sum is σ = 101604282. Its totient is φ = 101604280.

The previous prime is 101604221. The next prime is 101604301. The reversal of 101604281 is 182406101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81721600 + 19882681 = 9040^2 + 4459^2 .

It is a cyclic number.

It is not a de Polignac number, because 101604281 - 2¹⁴ = 101587897 is a prime.

It is a super-2 number, since 2×101604281² = 20646859835053922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (101604221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50802140 + 50802141.

It is an arithmetic number, because the mean of its divisors is an integer number (50802141).

Almost surely, 2^101604281 is an apocalyptic number.

It is an amenable number.

101604281 is a deficient number, since it is larger than the sum of its proper divisors (1).

101604281 is an equidigital number, since it uses as much as digits as its factorization.

101604281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 101604281 is about 10079.8948903250. The cubic root of 101604281 is about 466.6278645176.

It can be divided in two parts, 10160 and 4281, that added together give a palindrome (14441).

The spelling of 101604281 in words is "one hundred one million, six hundred four thousand, two hundred eighty-one".