7020281 has 4 divisors (see below), whose sum is σ = 7032564. Its totient is φ = 7008000.

The previous prime is 7020271. The next prime is 7020287. The reversal of 7020281 is 1820207.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1820207 = 17 ⋅107071.

It can be written as a sum of positive squares in 2 ways, for example, as 4818025 + 2202256 = 2195^2 + 1484^2 .

It is a cyclic number.

It is not a de Polignac number, because 7020281 - 2¹⁸ = 6758137 is a prime.

It is a super-2 number, since 2×7020281² = 98568690637922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7020287) 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, 5240 + ... + 6441.

It is an arithmetic number, because the mean of its divisors is an integer number (1758141).

Almost surely, 2^7020281 is an apocalyptic number.

It is an amenable number.

7020281 is a deficient number, since it is larger than the sum of its proper divisors (12283).

7020281 is a wasteful number, since it uses less digits than its factorization.

7020281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12282.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 7020281 is about 2649.5812876755. The cubic root of 7020281 is about 191.4776837518.

Adding to 7020281 its reverse (1820207), we get a palindrome (8840488).

The spelling of 7020281 in words is "seven million, twenty thousand, two hundred eighty-one".