97380181 has 8 divisors (see below), whose sum is σ = 98128440. Its totient is φ = 96635328.

The previous prime is 97380169. The next prime is 97380191. The reversal of 97380181 is 18108379.

It can be written as a sum of positive squares in 4 ways, for example, as 13950225 + 83429956 = 3735^2 + 9134^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97380181 - 2⁹ = 97379669 is a prime.

It is a super-2 number, since 2×97380181² = 18965799303185522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97380181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97380161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87255 + ... + 88363.

It is an arithmetic number, because the mean of its divisors is an integer number (12266055).

Almost surely, 2^97380181 is an apocalyptic number.

It is an amenable number.

97380181 is a deficient number, since it is larger than the sum of its proper divisors (748259).

97380181 is a wasteful number, since it uses less digits than its factorization.

97380181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 97380181 is about 9868.1396929715. The cubic root of 97380181 is about 460.0695877711.

The spelling of 97380181 in words is "ninety-seven million, three hundred eighty thousand, one hundred eighty-one".