7017961 has 4 divisors (see below), whose sum is σ = 7023492. Its totient is φ = 7012432.

The previous prime is 7017953. The next prime is 7017977. The reversal of 7017961 is 1697107.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1166400 + 5851561 = 1080^2 + 2419^2 .

It is a cyclic number.

It is not a de Polignac number, because 7017961 - 2³ = 7017953 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7017911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195 + ... + 3751.

It is an arithmetic number, because the mean of its divisors is an integer number (1755873).

Almost surely, 2^7017961 is an apocalyptic number.

It is an amenable number.

7017961 is a deficient number, since it is larger than the sum of its proper divisors (5531).

7017961 is a wasteful number, since it uses less digits than its factorization.

7017961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5530.

The product of its (nonzero) digits is 2646, while the sum is 31.

The square root of 7017961 is about 2649.1434464747. The cubic root of 7017961 is about 191.4565888141.

The spelling of 7017961 in words is "seven million, seventeen thousand, nine hundred sixty-one".