7983245 has 4 divisors (see below), whose sum is σ = 9579900. Its totient is φ = 6386592.

The previous prime is 7983229. The next prime is 7983247. The reversal of 7983245 is 5423897.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5004169 + 2979076 = 2237^2 + 1726^2 .

It is a cyclic number.

It is not a de Polignac number, because 7983245 - 2⁴ = 7983229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7983199 and 7983208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7983247) 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, 798320 + ... + 798329.

It is an arithmetic number, because the mean of its divisors is an integer number (2394975).

Almost surely, 2^7983245 is an apocalyptic number.

It is an amenable number.

7983245 is a deficient number, since it is larger than the sum of its proper divisors (1596655).

7983245 is a wasteful number, since it uses less digits than its factorization.

7983245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596654.

The product of its digits is 60480, while the sum is 38.

The square root of 7983245 is about 2825.4636787614. The cubic root of 7983245 is about 199.8602774107.

It can be divided in two parts, 7983 and 245, that added together give a palindrome (8228).

The spelling of 7983245 in words is "seven million, nine hundred eighty-three thousand, two hundred forty-five".