7327261 has 2 divisors, whose sum is σ = 7327262. Its totient is φ = 7327260.

The previous prime is 7327249. The next prime is 7327279. The reversal of 7327261 is 1627237.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6528025 + 799236 = 2555^2 + 894^2 .

It is an emirp because it is prime and its reverse (1627237) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7327261 - 2⁹ = 7326749 is a prime.

7327261 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7327211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3663630 + 3663631.

It is an arithmetic number, because the mean of its divisors is an integer number (3663631).

Almost surely, 2^7327261 is an apocalyptic number.

It is an amenable number.

7327261 is a deficient number, since it is larger than the sum of its proper divisors (1).

7327261 is an equidigital number, since it uses as much as digits as its factorization.

7327261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528, while the sum is 28.

The square root of 7327261 is about 2706.8913905068. The cubic root of 7327261 is about 194.2289163711.

The spelling of 7327261 in words is "seven million, three hundred twenty-seven thousand, two hundred sixty-one".