2931061 has 16 divisors (see below), whose sum is σ = 3502080. Its totient is φ = 2401200.

The previous prime is 2931053. The next prime is 2931067. The reversal of 2931061 is 1601392.

It is a cyclic number.

It is not a de Polignac number, because 2931061 - 2³ = 2931053 is a prime.

It is a super-2 number, since 2×2931061² = 17182237171442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2931067) 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 15 ways as a sum of consecutive naturals, for example, 19336 + ... + 19486.

It is an arithmetic number, because the mean of its divisors is an integer number (218880).

2^2931061 is an apocalyptic number.

It is an amenable number.

2931061 is a deficient number, since it is larger than the sum of its proper divisors (571019).

2931061 is a wasteful number, since it uses less digits than its factorization.

2931061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 2931061 is about 1712.0341702197. The cubic root of 2931061 is about 143.1116379280. Note that the first 3 decimals are identical.

The spelling of 2931061 in words is "two million, nine hundred thirty-one thousand, sixty-one".