7530961 has 2 divisors, whose sum is σ = 7530962. Its totient is φ = 7530960.

The previous prime is 7530953. The next prime is 7530967. The reversal of 7530961 is 1690357.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6990736 + 540225 = 2644^2 + 735^2 .

It is an emirp because it is prime and its reverse (1690357) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7530961 - 2³ = 7530953 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (7530967) 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, 3765480 + 3765481.

It is an arithmetic number, because the mean of its divisors is an integer number (3765481).

Almost surely, 2^7530961 is an apocalyptic number.

It is an amenable number.

7530961 is a deficient number, since it is larger than the sum of its proper divisors (1).

7530961 is an equidigital number, since it uses as much as digits as its factorization.

7530961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 7530961 is about 2744.2596451502. The cubic root of 7530961 is about 196.0123638598.

The spelling of 7530961 in words is "seven million, five hundred thirty thousand, nine hundred sixty-one".