7317253 has 2 divisors, whose sum is σ = 7317254. Its totient is φ = 7317252.

The previous prime is 7317203. The next prime is 7317283. The reversal of 7317253 is 3527137.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4334724 + 2982529 = 2082^2 + 1727^2 .

It is an emirp because it is prime and its reverse (3527137) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7317253 - 2⁹ = 7316741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7317203) 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, 3658626 + 3658627.

It is an arithmetic number, because the mean of its divisors is an integer number (3658627).

Almost surely, 2^7317253 is an apocalyptic number.

It is an amenable number.

7317253 is a deficient number, since it is larger than the sum of its proper divisors (1).

7317253 is an equidigital number, since it uses as much as digits as its factorization.

7317253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4410, while the sum is 28.

The square root of 7317253 is about 2705.0421438491. The cubic root of 7317253 is about 194.1404463561.

Subtracting from 7317253 its sum of digits (28), we obtain a triangular number (7317225 = T₃₈₂₅).

The spelling of 7317253 in words is "seven million, three hundred seventeen thousand, two hundred fifty-three".