101541641 has 2 divisors, whose sum is σ = 101541642. Its totient is φ = 101541640.

The previous prime is 101541617. The next prime is 101541677. The reversal of 101541641 is 146145101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63361600 + 38180041 = 7960^2 + 6179^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101541641 is a prime.

It is not a weakly prime, because it can be changed into another prime (101541241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50770820 + 50770821.

It is an arithmetic number, because the mean of its divisors is an integer number (50770821).

Almost surely, 2^101541641 is an apocalyptic number.

It is an amenable number.

101541641 is a deficient number, since it is larger than the sum of its proper divisors (1).

101541641 is an equidigital number, since it uses as much as digits as its factorization.

101541641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 101541641 is about 10076.7872360192. The cubic root of 101541641 is about 466.5319513074.

Adding to 101541641 its reverse (146145101), we get a palindrome (247686742).

The spelling of 101541641 in words is "one hundred one million, five hundred forty-one thousand, six hundred forty-one".