7226513 has 8 divisors (see below), whose sum is σ = 8744832. Its totient is φ = 5829696.

The previous prime is 7226509. The next prime is 7226519. The reversal of 7226513 is 3156227.

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 7226513 - 2² = 7226509 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7226519) 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, 30245 + ... + 30482.

It is an arithmetic number, because the mean of its divisors is an integer number (1093104).

Almost surely, 2^7226513 is an apocalyptic number.

It is an amenable number.

7226513 is a deficient number, since it is larger than the sum of its proper divisors (1518319).

7226513 is a wasteful number, since it uses less digits than its factorization.

7226513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60751.

The product of its digits is 2520, while the sum is 26.

The square root of 7226513 is about 2688.2174391221. The cubic root of 7226513 is about 193.3346052896.

The spelling of 7226513 in words is "seven million, two hundred twenty-six thousand, five hundred thirteen".