101715397 has 4 divisors (see below), whose sum is σ = 116246176. Its totient is φ = 87184620.

The previous prime is 101715391. The next prime is 101715401. The reversal of 101715397 is 793517101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101715397 - 2¹⁹ = 101191109 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 (101715391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7265379 + ... + 7265392.

It is an arithmetic number, because the mean of its divisors is an integer number (29061544).

Almost surely, 2^101715397 is an apocalyptic number.

It is an amenable number.

101715397 is a deficient number, since it is larger than the sum of its proper divisors (14530779).

101715397 is an equidigital number, since it uses as much as digits as its factorization.

101715397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14530778.

The product of its (nonzero) digits is 6615, while the sum is 34.

The square root of 101715397 is about 10085.4051480345. The cubic root of 101715397 is about 466.7979063423.

The spelling of 101715397 in words is "one hundred one million, seven hundred fifteen thousand, three hundred ninety-seven".