2061445 has 4 divisors (see below), whose sum is σ = 2473740. Its totient is φ = 1649152.

The previous prime is 2061431. The next prime is 2061491. The reversal of 2061445 is 5441602.

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 1151329 + 910116 = 1073^2 + 954^2 .

It is a cyclic number.

It is not a de Polignac number, because 2061445 - 2⁵ = 2061413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206140 + ... + 206149.

It is an arithmetic number, because the mean of its divisors is an integer number (618435).

2^2061445 is an apocalyptic number.

It is an amenable number.

2061445 is a deficient number, since it is larger than the sum of its proper divisors (412295).

2061445 is an equidigital number, since it uses as much as digits as its factorization.

2061445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412294.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2061445 is about 1435.7733107981. The cubic root of 2061445 is about 127.2693767671.

The spelling of 2061445 in words is "two million, sixty-one thousand, four hundred forty-five".