101895397 has 4 divisors (see below), whose sum is σ = 102144940. Its totient is φ = 101645856.

The previous prime is 101895379. The next prime is 101895403. The reversal of 101895397 is 793598101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 92659876 + 9235521 = 9626^2 + 3039^2 .

It is a cyclic number.

It is not a de Polignac number, because 101895397 - 2¹¹ = 101893349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101895307) 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, 124158 + ... + 124975.

It is an arithmetic number, because the mean of its divisors is an integer number (25536235).

Almost surely, 2^101895397 is an apocalyptic number.

It is an amenable number.

101895397 is a deficient number, since it is larger than the sum of its proper divisors (249543).

101895397 is an equidigital number, since it uses as much as digits as its factorization.

101895397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249542.

The product of its (nonzero) digits is 68040, while the sum is 43.

The square root of 101895397 is about 10094.3249898148. The cubic root of 101895397 is about 467.0730993820.

The spelling of 101895397 in words is "one hundred one million, eight hundred ninety-five thousand, three hundred ninety-seven".