972241019 has 2 divisors, whose sum is σ = 972241020. Its totient is φ = 972241018.

The previous prime is 972240989. The next prime is 972241021. The reversal of 972241019 is 910142279.

It is a strong prime.

It is an emirp because it is prime and its reverse (910142279) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-972241019 is a prime.

It is a super-2 number, since 2×972241019² = 1890505198052316722, which contains 22 as substring.

Together with 972241021, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 972241019.

It is not a weakly prime, because it can be changed into another prime (972241069) 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 as a sum of consecutive naturals, namely, 486120509 + 486120510.

It is an arithmetic number, because the mean of its divisors is an integer number (486120510).

Almost surely, 2^972241019 is an apocalyptic number.

972241019 is a deficient number, since it is larger than the sum of its proper divisors (1).

972241019 is an equidigital number, since it uses as much as digits as its factorization.

972241019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 972241019 is about 31180.7796406697. The cubic root of 972241019 is about 990.6600431287.

The spelling of 972241019 in words is "nine hundred seventy-two million, two hundred forty-one thousand, nineteen".