972182543 has 2 divisors, whose sum is σ = 972182544. Its totient is φ = 972182542.

The previous prime is 972182531. The next prime is 972182593. The reversal of 972182543 is 345281279.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 972182543 - 2⁸ = 972182287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 972182543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (972182503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486091271 + 486091272.

It is an arithmetic number, because the mean of its divisors is an integer number (486091272).

Almost surely, 2^972182543 is an apocalyptic number.

972182543 is a deficient number, since it is larger than the sum of its proper divisors (1).

972182543 is an equidigital number, since it uses as much as digits as its factorization.

972182543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 41.

The square root of 972182543 is about 31179.8419335314. The cubic root of 972182543 is about 990.6401814562.

The spelling of 972182543 in words is "nine hundred seventy-two million, one hundred eighty-two thousand, five hundred forty-three".