7270513 has 4 divisors (see below), whose sum is σ = 7316980. Its totient is φ = 7224048.

The previous prime is 7270493. The next prime is 7270517. The reversal of 7270513 is 3150727.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3150727 = 41 ⋅76847.

It can be written as a sum of positive squares in 2 ways, for example, as 4112784 + 3157729 = 2028^2 + 1777^2 .

It is a cyclic number.

It is not a de Polignac number, because 7270513 - 2⁵ = 7270481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7270517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22998 + ... + 23311.

It is an arithmetic number, because the mean of its divisors is an integer number (1829245).

Almost surely, 2^7270513 is an apocalyptic number.

It is an amenable number.

7270513 is a deficient number, since it is larger than the sum of its proper divisors (46467).

7270513 is a wasteful number, since it uses less digits than its factorization.

7270513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46466.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 7270513 is about 2696.3888814487. The cubic root of 7270513 is about 193.7261964513.

The spelling of 7270513 in words is "seven million, two hundred seventy thousand, five hundred thirteen".