7268257 has 4 divisors (see below), whose sum is σ = 7277760. Its totient is φ = 7258756.

The previous prime is 7268213. The next prime is 7268267. The reversal of 7268257 is 7528627.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7268257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7268267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3493 + ... + 5170.

It is an arithmetic number, because the mean of its divisors is an integer number (1819440).

Almost surely, 2^7268257 is an apocalyptic number.

It is an amenable number.

7268257 is a deficient number, since it is larger than the sum of its proper divisors (9503).

7268257 is an equidigital number, since it uses as much as digits as its factorization.

7268257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9502.

The product of its digits is 47040, while the sum is 37.

The square root of 7268257 is about 2695.9705117082. The cubic root of 7268257 is about 193.7061569891.

The spelling of 7268257 in words is "seven million, two hundred sixty-eight thousand, two hundred fifty-seven".