7206161 has 4 divisors (see below), whose sum is σ = 7233024. Its totient is φ = 7179300.

The previous prime is 7206131. The next prime is 7206191. The reversal of 7206161 is 1616027.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1616027 = 7 ⋅230861.

It is an interprime number because it is at equal distance from previous prime (7206131) and next prime (7206191).

It is a cyclic number.

It is not a de Polignac number, because 7206161 - 2⁶ = 7206097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7206131) 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, 13025 + ... + 13566.

It is an arithmetic number, because the mean of its divisors is an integer number (1808256).

Almost surely, 2^7206161 is an apocalyptic number.

It is an amenable number.

7206161 is a deficient number, since it is larger than the sum of its proper divisors (26863).

7206161 is a wasteful number, since it uses less digits than its factorization.

7206161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26862.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 7206161 is about 2684.4293620805. The cubic root of 7206161 is about 193.1529388122.

The spelling of 7206161 in words is "seven million, two hundred six thousand, one hundred sixty-one".