2081077 has 4 divisors (see below), whose sum is σ = 2084236. Its totient is φ = 2077920.

The previous prime is 2081047. The next prime is 2081099. The reversal of 2081077 is 7701802.

It is a happy number.

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 662596 + 1418481 = 814^2 + 1191^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2081077 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081047) 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, 174 + ... + 2047.

It is an arithmetic number, because the mean of its divisors is an integer number (521059).

2^2081077 is an apocalyptic number.

It is an amenable number.

2081077 is a deficient number, since it is larger than the sum of its proper divisors (3159).

2081077 is an equidigital number, since it uses as much as digits as its factorization.

2081077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 2081077 is about 1442.5938444344. The cubic root of 2081077 is about 127.6721140895.

Adding to 2081077 its reverse (7701802), we get a palindrome (9782879).

The spelling of 2081077 in words is "two million, eighty-one thousand, seventy-seven".