7305013 has 4 divisors (see below), whose sum is σ = 7556940. Its totient is φ = 7053088.

The previous prime is 7304993. The next prime is 7305041. The reversal of 7305013 is 3105037.

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 5049009 + 2256004 = 2247^2 + 1502^2 .

It is a cyclic number.

It is not a de Polignac number, because 7305013 - 2⁵ = 7304981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7305073) 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, 125920 + ... + 125977.

It is an arithmetic number, because the mean of its divisors is an integer number (1889235).

Almost surely, 2^7305013 is an apocalyptic number.

It is an amenable number.

7305013 is a deficient number, since it is larger than the sum of its proper divisors (251927).

7305013 is a wasteful number, since it uses less digits than its factorization.

7305013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251926.

The product of its (nonzero) digits is 315, while the sum is 19.

The square root of 7305013 is about 2702.7787552813. The cubic root of 7305013 is about 194.0321358887.

The spelling of 7305013 in words is "seven million, three hundred five thousand, thirteen".