7105513 has 2 divisors, whose sum is σ = 7105514. Its totient is φ = 7105512.

The previous prime is 7105499. The next prime is 7105529. The reversal of 7105513 is 3155017.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4293184 + 2812329 = 2072^2 + 1677^2 .

It is an emirp because it is prime and its reverse (3155017) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7105513 - 2⁵ = 7105481 is a prime.

It is not a weakly prime, because it can be changed into another prime (7105573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3552756 + 3552757.

It is an arithmetic number, because the mean of its divisors is an integer number (3552757).

Almost surely, 2^7105513 is an apocalyptic number.

It is an amenable number.

7105513 is a deficient number, since it is larger than the sum of its proper divisors (1).

7105513 is an equidigital number, since it uses as much as digits as its factorization.

7105513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 7105513 is about 2665.6168141727. The cubic root of 7105513 is about 192.2494677517.

The spelling of 7105513 in words is "seven million, one hundred five thousand, five hundred thirteen".