2961081 has 6 divisors (see below), whose sum is σ = 4277130. Its totient is φ = 1974048.

The previous prime is 2961067. The next prime is 2961083. The reversal of 2961081 is 1801692.

It can be written as a sum of positive squares in only one way, i.e., 2295225 + 665856 = 1515^2 + 816^2 .

It is not a de Polignac number, because 2961081 - 2¹⁹ = 2436793 is a prime.

It is a super-2 number, since 2×2961081² = 17536001377122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2961083) 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 5 ways as a sum of consecutive naturals, for example, 164496 + ... + 164513.

It is an arithmetic number, because the mean of its divisors is an integer number (712855).

2^2961081 is an apocalyptic number.

It is an amenable number.

2961081 is a deficient number, since it is larger than the sum of its proper divisors (1316049).

2961081 is a wasteful number, since it uses less digits than its factorization.

2961081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329015 (or 329012 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 2961081 is about 1720.7791839745. The cubic root of 2961081 is about 143.5985636477.

The spelling of 2961081 in words is "two million, nine hundred sixty-one thousand, eighty-one".