972543941 has 8 divisors (see below), whose sum is σ = 982178400. Its totient is φ = 962947440.

The previous prime is 972543883. The next prime is 972543947. The reversal of 972543941 is 149345279.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-972543941 is a prime.

It is a super-2 number, since 2×972543941² = 1891683434351622962, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 972543892 and 972543901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972543947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43451 + ... + 61911.

It is an arithmetic number, because the mean of its divisors is an integer number (122772300).

Almost surely, 2^972543941 is an apocalyptic number.

It is an amenable number.

972543941 is a deficient number, since it is larger than the sum of its proper divisors (9634459).

972543941 is a wasteful number, since it uses less digits than its factorization.

972543941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18979.

The product of its digits is 272160, while the sum is 44.

The square root of 972543941 is about 31185.6367740022. The cubic root of 972543941 is about 990.7629193890.

The spelling of 972543941 in words is "nine hundred seventy-two million, five hundred forty-three thousand, nine hundred forty-one".