2061449 has 4 divisors (see below), whose sum is σ = 2220036. Its totient is φ = 1902864.

The previous prime is 2061431. The next prime is 2061491. The reversal of 2061449 is 9441602.

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 1364224 + 697225 = 1168^2 + 835^2 .

It is a cyclic number.

It is not a de Polignac number, because 2061449 - 2¹² = 2057353 is a prime.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (2061419) 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, 79274 + ... + 79299.

It is an arithmetic number, because the mean of its divisors is an integer number (555009).

2^2061449 is an apocalyptic number.

It is an amenable number.

2061449 is a deficient number, since it is larger than the sum of its proper divisors (158587).

2061449 is a wasteful number, since it uses less digits than its factorization.

2061449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158586.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2061449 is about 1435.7747037749. The cubic root of 2061449 is about 127.2694590843.

The spelling of 2061449 in words is "two million, sixty-one thousand, four hundred forty-nine".