2065451 has 4 divisors (see below), whose sum is σ = 2121312. Its totient is φ = 2009592.

The previous prime is 2065429. The next prime is 2065489. The reversal of 2065451 is 1545602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2065451 - 2⁶ = 2065387 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 0 + 6⁶ + 5 + 4⁸ + 5⁹ + 1 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27875 + ... + 27948.

It is an arithmetic number, because the mean of its divisors is an integer number (530328).

2^2065451 is an apocalyptic number.

2065451 is a deficient number, since it is larger than the sum of its proper divisors (55861).

2065451 is an equidigital number, since it uses as much as digits as its factorization.

2065451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55860.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2065451 is about 1437.1677007225. The cubic root of 2065451 is about 127.3517641575.

The spelling of 2065451 in words is "two million, sixty-five thousand, four hundred fifty-one".