97181713 has 4 divisors (see below), whose sum is σ = 102296560. Its totient is φ = 92066868.

The previous prime is 97181699. The next prime is 97181717. The reversal of 97181713 is 31718179.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31718179 = 619 ⋅51241.

It is a cyclic number.

It is not a de Polignac number, because 97181713 - 2²⁵ = 63627281 is a prime.

It is a super-2 number, since 2×97181713² = 18888570683228738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97181717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2557395 + ... + 2557432.

It is an arithmetic number, because the mean of its divisors is an integer number (25574140).

Almost surely, 2^97181713 is an apocalyptic number.

It is an amenable number.

97181713 is a deficient number, since it is larger than the sum of its proper divisors (5114847).

97181713 is a wasteful number, since it uses less digits than its factorization.

97181713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5114846.

The product of its digits is 10584, while the sum is 37.

The square root of 97181713 is about 9858.0785653189. The cubic root of 97181713 is about 459.7568232643.

It can be divided in two parts, 971817 and 13, that multiplied together give a palindrome (12633621).

The spelling of 97181713 in words is "ninety-seven million, one hundred eighty-one thousand, seven hundred thirteen".