7001081 has 4 divisors (see below), whose sum is σ = 7014564. Its totient is φ = 6987600.

The previous prime is 7001077. The next prime is 7001083. The reversal of 7001081 is 1801007.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4080400 + 2920681 = 2020^2 + 1709^2 .

It is a cyclic number.

It is not a de Polignac number, because 7001081 - 2² = 7001077 is a prime.

It is a super-2 number, since 2×7001081² = 98030270337122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7001083) 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, 5930 + ... + 7011.

It is an arithmetic number, because the mean of its divisors is an integer number (1753641).

Almost surely, 2^7001081 is an apocalyptic number.

It is an amenable number.

7001081 is a deficient number, since it is larger than the sum of its proper divisors (13483).

7001081 is a wasteful number, since it uses less digits than its factorization.

7001081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13482.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 7001081 is about 2645.9555929758. The cubic root of 7001081 is about 191.3029648114.

Adding to 7001081 its reverse (1801007), we get a palindrome (8802088).

The spelling of 7001081 in words is "seven million, one thousand, eighty-one".