97192481 has 4 divisors (see below), whose sum is σ = 97423764. Its totient is φ = 96961200.

The previous prime is 97192477. The next prime is 97192483. The reversal of 97192481 is 18429179.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18429179 = 787 ⋅23417.

It can be written as a sum of positive squares in 2 ways, for example, as 4243600 + 92948881 = 2060^2 + 9641^2 .

It is a cyclic number.

It is not a de Polignac number, because 97192481 - 2² = 97192477 is a prime.

It is a super-2 number, since 2×97192481² = 18892756725870722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97192483) 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, 115010 + ... + 115851.

It is an arithmetic number, because the mean of its divisors is an integer number (24355941).

Almost surely, 2^97192481 is an apocalyptic number.

It is an amenable number.

97192481 is a deficient number, since it is larger than the sum of its proper divisors (231283).

97192481 is a wasteful number, since it uses less digits than its factorization.

97192481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231282.

The product of its digits is 36288, while the sum is 41.

The square root of 97192481 is about 9858.6247012451. The cubic root of 97192481 is about 459.7738034090.

The spelling of 97192481 in words is "ninety-seven million, one hundred ninety-two thousand, four hundred eighty-one".