2653559 has 4 divisors (see below), whose sum is σ = 2793240. Its totient is φ = 2513880.

The previous prime is 2653549. The next prime is 2653571. The reversal of 2653559 is 9553562.

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 2653559 - 2⁴ = 2653543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2653549) 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, 69812 + ... + 69849.

It is an arithmetic number, because the mean of its divisors is an integer number (698310).

2^2653559 is an apocalyptic number.

2653559 is a deficient number, since it is larger than the sum of its proper divisors (139681).

2653559 is a wasteful number, since it uses less digits than its factorization.

2653559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139680.

The product of its digits is 40500, while the sum is 35.

The square root of 2653559 is about 1628.9748309903. The cubic root of 2653559 is about 138.4446728666. Note that the first 3 decimals are identical.

It can be divided in two parts, 26535 and 59, that multiplied together give a triangular number (1565565 = T₁₇₆₉).

The spelling of 2653559 in words is "two million, six hundred fifty-three thousand, five hundred fifty-nine".