2064553 has 4 divisors (see below), whose sum is σ = 2067460. Its totient is φ = 2061648.

The previous prime is 2064551. The next prime is 2064571. The reversal of 2064553 is 3554602.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1338649 + 725904 = 1157^2 + 852^2 .

It is a cyclic number.

It is not a de Polignac number, because 2064553 - 2¹ = 2064551 is a prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 0 + 6² + 4⁴ + 5⁷ + 5⁹ + 3⁵ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2064551) 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, 403 + ... + 2071.

It is an arithmetic number, because the mean of its divisors is an integer number (516865).

2^2064553 is an apocalyptic number.

It is an amenable number.

2064553 is a deficient number, since it is larger than the sum of its proper divisors (2907).

2064553 is a wasteful number, since it uses less digits than its factorization.

2064553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2906.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2064553 is about 1436.8552467107. The cubic root of 2064553 is about 127.3333051604. Note that the first 4 decimals are identical.

The spelling of 2064553 in words is "two million, sixty-four thousand, five hundred fifty-three".