7283257 has 2 divisors, whose sum is σ = 7283258. Its totient is φ = 7283256.

The previous prime is 7283231. The next prime is 7283273. The reversal of 7283257 is 7523827.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4923961 + 2359296 = 2219^2 + 1536^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7283257 is a prime.

It is not a weakly prime, because it can be changed into another prime (7283657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3641628 + 3641629.

It is an arithmetic number, because the mean of its divisors is an integer number (3641629).

Almost surely, 2^7283257 is an apocalyptic number.

It is an amenable number.

7283257 is a deficient number, since it is larger than the sum of its proper divisors (1).

7283257 is an equidigital number, since it uses as much as digits as its factorization.

7283257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23520, while the sum is 34.

The square root of 7283257 is about 2698.7510074107. The cubic root of 7283257 is about 193.8393203147.

The spelling of 7283257 in words is "seven million, two hundred eighty-three thousand, two hundred fifty-seven".