2612081 has 4 divisors (see below), whose sum is σ = 2654964. Its totient is φ = 2569200.

The previous prime is 2612039. The next prime is 2612083. The reversal of 2612081 is 1802162.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 99856 + 2512225 = 316^2 + 1585^2 .

It is a cyclic number.

It is not a de Polignac number, because 2612081 - 2⁶ = 2612017 is a prime.

It is a super-2 number, since 2×2612081² = 13645934301122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2612083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21350 + ... + 21471.

It is an arithmetic number, because the mean of its divisors is an integer number (663741).

2^2612081 is an apocalyptic number.

It is an amenable number.

2612081 is a deficient number, since it is larger than the sum of its proper divisors (42883).

2612081 is an equidigital number, since it uses as much as digits as its factorization.

2612081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42882.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 2612081 is about 1616.1933671439. The cubic root of 2612081 is about 137.7195347003.

The spelling of 2612081 in words is "two million, six hundred twelve thousand, eighty-one".