7025257 has 4 divisors (see below), whose sum is σ = 7094916. Its totient is φ = 6955600.

The previous prime is 7025243. The next prime is 7025287. The reversal of 7025257 is 7525207.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7525207 = 101 ⋅74507.

It can be written as a sum of positive squares in 2 ways, for example, as 6095961 + 929296 = 2469^2 + 964^2 .

It is a cyclic number.

It is not a de Polignac number, because 7025257 - 2⁷ = 7025129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7025287) 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, 34678 + ... + 34879.

It is an arithmetic number, because the mean of its divisors is an integer number (1773729).

Almost surely, 2^7025257 is an apocalyptic number.

It is an amenable number.

7025257 is a deficient number, since it is larger than the sum of its proper divisors (69659).

7025257 is a wasteful number, since it uses less digits than its factorization.

7025257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69658.

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 7025257 is about 2650.5201376334. The cubic root of 7025257 is about 191.5229130871.

The spelling of 7025257 in words is "seven million, twenty-five thousand, two hundred fifty-seven".