7112257 has 8 divisors (see below), whose sum is σ = 7252200. Its totient is φ = 6973824.

The previous prime is 7112249. The next prime is 7112263. The reversal of 7112257 is 7522117.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 579121 + 6533136 = 761^2 + 2556^2 .

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 7112257 - 2³ = 7112249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7112227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13719 + ... + 14227.

It is an arithmetic number, because the mean of its divisors is an integer number (906525).

Almost surely, 2^7112257 is an apocalyptic number.

It is an amenable number.

7112257 is a deficient number, since it is larger than the sum of its proper divisors (139943).

7112257 is a wasteful number, since it uses less digits than its factorization.

7112257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755.

The product of its digits is 980, while the sum is 25.

The square root of 7112257 is about 2666.8815121786. The cubic root of 7112257 is about 192.3102712639.

The spelling of 7112257 in words is "seven million, one hundred twelve thousand, two hundred fifty-seven".