972424619 has 2 divisors, whose sum is σ = 972424620. Its totient is φ = 972424618.

The previous prime is 972424601. The next prime is 972424657. The reversal of 972424619 is 916424279.

It is a weak prime.

It is an emirp because it is prime and its reverse (916424279) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-972424619 is a prime.

It is a super-2 number, since 2×972424619² = 1891219279274590322, which contains 22 as substring.

It is a Sophie Germain prime.

It is equal to p_49515974 and since 972424619 and 49515974 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 972424619.

It is not a weakly prime, because it can be changed into another prime (972424669) 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 as a sum of consecutive naturals, namely, 486212309 + 486212310.

It is an arithmetic number, because the mean of its divisors is an integer number (486212310).

Almost surely, 2^972424619 is an apocalyptic number.

972424619 is a deficient number, since it is larger than the sum of its proper divisors (1).

972424619 is an equidigital number, since it uses as much as digits as its factorization.

972424619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The square root of 972424619 is about 31183.7236230698. The cubic root of 972424619 is about 990.7223986326.

It can be divided in two parts, 9724 and 24619, that added together give a palindrome (34343).

The spelling of 972424619 in words is "nine hundred seventy-two million, four hundred twenty-four thousand, six hundred nineteen".