7984513 has 2 divisors, whose sum is σ = 7984514. Its totient is φ = 7984512.

The previous prime is 7984439. The next prime is 7984523. The reversal of 7984513 is 3154897.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7333264 + 651249 = 2708^2 + 807^2 .

It is a cyclic number.

It is not a de Polignac number, because 7984513 - 2⁹ = 7984001 is a prime.

It is not a weakly prime, because it can be changed into another prime (7984523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3992256 + 3992257.

It is an arithmetic number, because the mean of its divisors is an integer number (3992257).

Almost surely, 2^7984513 is an apocalyptic number.

It is an amenable number.

7984513 is a deficient number, since it is larger than the sum of its proper divisors (1).

7984513 is an equidigital number, since it uses as much as digits as its factorization.

7984513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 37.

The square root of 7984513 is about 2825.6880578011. The cubic root of 7984513 is about 199.8708582967.

The spelling of 7984513 in words is "seven million, nine hundred eighty-four thousand, five hundred thirteen".