97971441 has 4 divisors (see below), whose sum is σ = 130628592. Its totient is φ = 65314292.

The previous prime is 97971407. The next prime is 97971443. The reversal of 97971441 is 14417979.

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 97971441 - 2¹⁰ = 97970417 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 97971393 and 97971402.

It is not an unprimeable number, because it can be changed into a prime (97971443) 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 3 ways as a sum of consecutive naturals, for example, 16328571 + ... + 16328576.

It is an arithmetic number, because the mean of its divisors is an integer number (32657148).

Almost surely, 2^97971441 is an apocalyptic number.

It is an amenable number.

97971441 is a deficient number, since it is larger than the sum of its proper divisors (32657151).

97971441 is a wasteful number, since it uses less digits than its factorization.

97971441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32657150.

The product of its digits is 63504, while the sum is 42.

The square root of 97971441 is about 9898.0523841814. The cubic root of 97971441 is about 460.9988393275.

The spelling of 97971441 in words is "ninety-seven million, nine hundred seventy-one thousand, four hundred forty-one".