2170061 has 2 divisors, whose sum is σ = 2170062. Its totient is φ = 2170060.

The previous prime is 2170043. The next prime is 2170109. The reversal of 2170061 is 1600712.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2157961 + 12100 = 1469^2 + 110^2 .

It is a cyclic number.

It is not a de Polignac number, because 2170061 - 2⁶ = 2169997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2170261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1085030 + 1085031.

It is an arithmetic number, because the mean of its divisors is an integer number (1085031).

2^2170061 is an apocalyptic number.

It is an amenable number.

2170061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2170061 is an equidigital number, since it uses as much as digits as its factorization.

2170061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 2170061 is about 1473.1126908692. The cubic root of 2170061 is about 129.4664721420.

Adding to 2170061 its reverse (1600712), we get a palindrome (3770773).

The spelling of 2170061 in words is "two million, one hundred seventy thousand, sixty-one".