971484238321 has 3 divisors (see below), whose sum is σ = 971485223961. Its totient is φ = 971483252682.

The previous prime is 971484238253. The next prime is 971484238331. The reversal of 971484238321 is 123832484179.

The square root of 971484238321 is 985639.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 123832484179 = 383 ⋅323322413.

It is not a de Polignac number, because 971484238321 - 2¹¹ = 971484236273 is a prime.

It is a super-2 number, since 2×971484238321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (971484238331) 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 2 ways as a sum of consecutive naturals, for example, 492820 + ... + 1478458.

It is an arithmetic number, because the mean of its divisors is an integer number (323828407987).

Almost surely, 2^971484238321 is an apocalyptic number.

971484238321 is the 985639-th square number.

971484238321 is the 492820-th centered octagonal number.

It is an amenable number.

971484238321 is a deficient number, since it is larger than the sum of its proper divisors (985640).

971484238321 is an frugal number, since it uses more digits than its factorization.

971484238321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971278 (or 985639 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 52.

The spelling of 971484238321 in words is "nine hundred seventy-one billion, four hundred eighty-four million, two hundred thirty-eight thousand, three hundred twenty-one".