972424009 has 4 divisors (see below), whose sum is σ = 1023604240. Its totient is φ = 921243780.

The previous prime is 972424003. The next prime is 972424043. The reversal of 972424009 is 900424279.

972424009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 972424009 - 2³ = 972424001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (972424001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25590087 + ... + 25590124.

It is an arithmetic number, because the mean of its divisors is an integer number (255901060).

Almost surely, 2^972424009 is an apocalyptic number.

It is an amenable number.

972424009 is a deficient number, since it is larger than the sum of its proper divisors (51180231).

972424009 is a wasteful number, since it uses less digits than its factorization.

972424009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51180230.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 972424009 is about 31183.7138423248. The cubic root of 972424009 is about 990.7221914732.

It can be divided in two parts, 9724 and 24009, that added together give a palindrome (33733).

The spelling of 972424009 in words is "nine hundred seventy-two million, four hundred twenty-four thousand, nine".