7257241 has 2 divisors, whose sum is σ = 7257242. Its totient is φ = 7257240.

The previous prime is 7257227. The next prime is 7257247. The reversal of 7257241 is 1427527.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4995225 + 2262016 = 2235^2 + 1504^2 .

It is a cyclic number.

It is not a de Polignac number, because 7257241 - 2¹³ = 7249049 is a prime.

It is not a weakly prime, because it can be changed into another prime (7257247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3628620 + 3628621.

It is an arithmetic number, because the mean of its divisors is an integer number (3628621).

Almost surely, 2^7257241 is an apocalyptic number.

It is an amenable number.

7257241 is a deficient number, since it is larger than the sum of its proper divisors (1).

7257241 is an equidigital number, since it uses as much as digits as its factorization.

7257241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3920, while the sum is 28.

The square root of 7257241 is about 2693.9266879409. The cubic root of 7257241 is about 193.6082451153.

The spelling of 7257241 in words is "seven million, two hundred fifty-seven thousand, two hundred forty-one".