7982513 has 8 divisors (see below), whose sum is σ = 9952320. Its totient is φ = 6220080.

The previous prime is 7982509. The next prime is 7982539. The reversal of 7982513 is 3152897.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7982513 - 2² = 7982509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7982543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51758 + ... + 51911.

It is an arithmetic number, because the mean of its divisors is an integer number (1244040).

Almost surely, 2^7982513 is an apocalyptic number.

It is an amenable number.

7982513 is a deficient number, since it is larger than the sum of its proper divisors (1969807).

7982513 is a wasteful number, since it uses less digits than its factorization.

7982513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103687.

The product of its digits is 15120, while the sum is 35.

The square root of 7982513 is about 2825.3341395311. The cubic root of 7982513 is about 199.8541686920.

The spelling of 7982513 in words is "seven million, nine hundred eighty-two thousand, five hundred thirteen".