7530493 has 2 divisors, whose sum is σ = 7530494. Its totient is φ = 7530492.

The previous prime is 7530491. The next prime is 7530503. The reversal of 7530493 is 3940357.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5508409 + 2022084 = 2347^2 + 1422^2 .

It is a cyclic number.

It is not a de Polignac number, because 7530493 - 2¹ = 7530491 is a prime.

Together with 7530491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7530491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3765246 + 3765247.

It is an arithmetic number, because the mean of its divisors is an integer number (3765247).

Almost surely, 2^7530493 is an apocalyptic number.

It is an amenable number.

7530493 is a deficient number, since it is larger than the sum of its proper divisors (1).

7530493 is an equidigital number, since it uses as much as digits as its factorization.

7530493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 7530493 is about 2744.1743749259. The cubic root of 7530493 is about 196.0083034800.

The spelling of 7530493 in words is "seven million, five hundred thirty thousand, four hundred ninety-three".