7056257 has 12 divisors (see below), whose sum is σ = 7826544. Its totient is φ = 6355440.

The previous prime is 7056229. The next prime is 7056281. The reversal of 7056257 is 7526507.

It is a happy number.

It is not a de Polignac number, because 7056257 - 2¹⁴ = 7039873 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7056227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6782 + ... + 7752.

It is an arithmetic number, because the mean of its divisors is an integer number (652212).

Almost surely, 2^7056257 is an apocalyptic number.

It is an amenable number.

7056257 is a deficient number, since it is larger than the sum of its proper divisors (770287).

7056257 is a wasteful number, since it uses less digits than its factorization.

7056257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040 (or 1027 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 7056257 is about 2656.3616094199. The cubic root of 7056257 is about 191.8042075986.

The spelling of 7056257 in words is "seven million, fifty-six thousand, two hundred fifty-seven".