97480181 has 4 divisors (see below), whose sum is σ = 97604832. Its totient is φ = 97355532.

The previous prime is 97480177. The next prime is 97480217. The reversal of 97480181 is 18108479.

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: 18108479 = 71 ⋅255049.

It is a cyclic number.

It is not a de Polignac number, because 97480181 - 2² = 97480177 is a prime.

It is a super-3 number, since 3×97480181³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97480081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61145 + ... + 62718.

It is an arithmetic number, because the mean of its divisors is an integer number (24401208).

Almost surely, 2^97480181 is an apocalyptic number.

It is an amenable number.

97480181 is a deficient number, since it is larger than the sum of its proper divisors (124651).

97480181 is a wasteful number, since it uses less digits than its factorization.

97480181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124650.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 97480181 is about 9873.2052039852. The cubic root of 97480181 is about 460.2270161754.

The spelling of 97480181 in words is "ninety-seven million, four hundred eighty thousand, one hundred eighty-one".