2061465 has 32 divisors (see below), whose sum is σ = 3905280. Its totient is φ = 908544.

The previous prime is 2061431. The next prime is 2061491. The reversal of 2061465 is 5641602.

2061465 is a nontrivial binomial coefficient, being equal to C(2031, 2).

It is not a de Polignac number, because 2061465 - 2⁸ = 2061209 is a prime.

It is a plaindrome in base 11.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2707 + ... + 3383.

It is an arithmetic number, because the mean of its divisors is an integer number (122040).

2^2061465 is an apocalyptic number.

2061465 is the 2030-th triangular number.

It is an amenable number.

2061465 is a deficient number, since it is larger than the sum of its proper divisors (1843815).

2061465 is a wasteful number, since it uses less digits than its factorization.

2061465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2061465 is about 1435.7802756689. The cubic root of 2061465 is about 127.2697883520.

The spelling of 2061465 in words is "two million, sixty-one thousand, four hundred sixty-five".