7275257 has 8 divisors (see below), whose sum is σ = 8087040. Its totient is φ = 6488560.

The previous prime is 7275239. The next prime is 7275263. The reversal of 7275257 is 7525727.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7275257 - 2⁶ = 7275193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7275217) 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 in 7 ways as a sum of consecutive naturals, for example, 5657 + ... + 6822.

It is an arithmetic number, because the mean of its divisors is an integer number (1010880).

Almost surely, 2^7275257 is an apocalyptic number.

It is an amenable number.

7275257 is a deficient number, since it is larger than the sum of its proper divisors (811783).

7275257 is a wasteful number, since it uses less digits than its factorization.

7275257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12543.

The product of its digits is 34300, while the sum is 35.

The square root of 7275257 is about 2697.2684330633. The cubic root of 7275257 is about 193.7683226515.

The spelling of 7275257 in words is "seven million, two hundred seventy-five thousand, two hundred fifty-seven".