101539241 has 2 divisors, whose sum is σ = 101539242. Its totient is φ = 101539240.

The previous prime is 101539231. The next prime is 101539261. The reversal of 101539241 is 142935101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99301225 + 2238016 = 9965^2 + 1496^2 .

It is an emirp because it is prime and its reverse (142935101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101539241 - 2²² = 97344937 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 101539241.

It is not a weakly prime, because it can be changed into another prime (101539231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50769620 + 50769621.

It is an arithmetic number, because the mean of its divisors is an integer number (50769621).

Almost surely, 2^101539241 is an apocalyptic number.

It is an amenable number.

101539241 is a deficient number, since it is larger than the sum of its proper divisors (1).

101539241 is an equidigital number, since it uses as much as digits as its factorization.

101539241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 101539241 is about 10076.6681497408. The cubic root of 101539241 is about 466.5282756873.

The spelling of 101539241 in words is "one hundred one million, five hundred thirty-nine thousand, two hundred forty-one".