7591361 has 2 divisors, whose sum is σ = 7591362. Its totient is φ = 7591360.

The previous prime is 7591313. The next prime is 7591369. The reversal of 7591361 is 1631957.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6990736 + 600625 = 2644^2 + 775^2 .

It is an emirp because it is prime and its reverse (1631957) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7591361 - 2²² = 3397057 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (7591369) 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 as a sum of consecutive naturals, namely, 3795680 + 3795681.

It is an arithmetic number, because the mean of its divisors is an integer number (3795681).

Almost surely, 2^7591361 is an apocalyptic number.

It is an amenable number.

7591361 is a deficient number, since it is larger than the sum of its proper divisors (1).

7591361 is an equidigital number, since it uses as much as digits as its factorization.

7591361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5670, while the sum is 32.

The square root of 7591361 is about 2755.2424575707. The cubic root of 7591361 is about 196.5349902188.

The spelling of 7591361 in words is "seven million, five hundred ninety-one thousand, three hundred sixty-one".