7566253 has 2 divisors, whose sum is σ = 7566254. Its totient is φ = 7566252.

The previous prime is 7566239. The next prime is 7566281. The reversal of 7566253 is 3526657.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5322249 + 2244004 = 2307^2 + 1498^2 .

It is an emirp because it is prime and its reverse (3526657) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7566253 - 2⁹ = 7565741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7566203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3783126 + 3783127.

It is an arithmetic number, because the mean of its divisors is an integer number (3783127).

Almost surely, 2^7566253 is an apocalyptic number.

It is an amenable number.

7566253 is a deficient number, since it is larger than the sum of its proper divisors (1).

7566253 is an equidigital number, since it uses as much as digits as its factorization.

7566253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 34.

The square root of 7566253 is about 2750.6822789992. The cubic root of 7566253 is about 196.3180747514.

The spelling of 7566253 in words is "seven million, five hundred sixty-six thousand, two hundred fifty-three".