2061765 has 12 divisors (see below), whose sum is σ = 3573804. Its totient is φ = 1099584.

The previous prime is 2061757. The next prime is 2061793. The reversal of 2061765 is 5671602.

It can be written as a sum of positive squares in 2 ways, for example, as 1340964 + 720801 = 1158^2 + 849^2 .

It is not a de Polignac number, because 2061765 - 2³ = 2061757 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22864 + ... + 22953.

It is an arithmetic number, because the mean of its divisors is an integer number (297817).

2^2061765 is an apocalyptic number.

It is an amenable number.

2061765 is a deficient number, since it is larger than the sum of its proper divisors (1512039).

2061765 is a wasteful number, since it uses less digits than its factorization.

2061765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45828 (or 45825 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 2061765 is about 1435.8847446783. The cubic root of 2061765 is about 127.2759618071.

The spelling of 2061765 in words is "two million, sixty-one thousand, seven hundred sixty-five".