7680553 has 2 divisors, whose sum is σ = 7680554. Its totient is φ = 7680552.

The previous prime is 7680539. The next prime is 7680559. The reversal of 7680553 is 3550867.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5161984 + 2518569 = 2272^2 + 1587^2 .

It is a cyclic number.

It is not a de Polignac number, because 7680553 - 2¹⁷ = 7549481 is a prime.

7680553 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (7680559) 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, 3840276 + 3840277.

It is an arithmetic number, because the mean of its divisors is an integer number (3840277).

Almost surely, 2^7680553 is an apocalyptic number.

It is an amenable number.

7680553 is a deficient number, since it is larger than the sum of its proper divisors (1).

7680553 is an equidigital number, since it uses as much as digits as its factorization.

7680553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 7680553 is about 2771.3810636576. The cubic root of 7680553 is about 197.3017013025.

The spelling of 7680553 in words is "seven million, six hundred eighty thousand, five hundred fifty-three".