7520993 has 2 divisors, whose sum is σ = 7520994. Its totient is φ = 7520992.

The previous prime is 7520969. The next prime is 7521013. The reversal of 7520993 is 3990257.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5513104 + 2007889 = 2348^2 + 1417^2 .

It is a cyclic number.

It is not a de Polignac number, because 7520993 - 2¹² = 7516897 is a prime.

It is not a weakly prime, because it can be changed into another prime (7520593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3760496 + 3760497.

It is an arithmetic number, because the mean of its divisors is an integer number (3760497).

Almost surely, 2^7520993 is an apocalyptic number.

It is an amenable number.

7520993 is a deficient number, since it is larger than the sum of its proper divisors (1).

7520993 is an equidigital number, since it uses as much as digits as its factorization.

7520993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 7520993 is about 2742.4428891045. The cubic root of 7520993 is about 195.9258448477.

The spelling of 7520993 in words is "seven million, five hundred twenty thousand, nine hundred ninety-three".