7255081 has 2 divisors, whose sum is σ = 7255082. Its totient is φ = 7255080.

The previous prime is 7255069. The next prime is 7255099. The reversal of 7255081 is 1805527.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3705625 + 3549456 = 1925^2 + 1884^2 .

It is a cyclic number.

It is not a de Polignac number, because 7255081 - 2¹⁷ = 7124009 is a prime.

It is a super-2 number, since 2×7255081² = 105272400633122, which contains 22 as substring.

7255081 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (7255021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3627540 + 3627541.

It is an arithmetic number, because the mean of its divisors is an integer number (3627541).

Almost surely, 2^7255081 is an apocalyptic number.

It is an amenable number.

7255081 is a deficient number, since it is larger than the sum of its proper divisors (1).

7255081 is an equidigital number, since it uses as much as digits as its factorization.

7255081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 7255081 is about 2693.5257563276. The cubic root of 7255081 is about 193.5890350921.

The spelling of 7255081 in words is "seven million, two hundred fifty-five thousand, eighty-one".