2554565 has 8 divisors (see below), whose sum is σ = 3301368. Its totient is φ = 1886400.

The previous prime is 2554561. The next prime is 2554583. The reversal of 2554565 is 5654552.

It can be written as a sum of positive squares in 4 ways, for example, as 961 + 2553604 = 31^2 + 1598^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2554565 - 2² = 2554561 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2554561) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19586 + ... + 19715.

It is an arithmetic number, because the mean of its divisors is an integer number (412671).

2^2554565 is an apocalyptic number.

It is an amenable number.

2554565 is a deficient number, since it is larger than the sum of its proper divisors (746803).

2554565 is a wasteful number, since it uses less digits than its factorization.

2554565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39319.

The product of its digits is 30000, while the sum is 32.

The square root of 2554565 is about 1598.3006600762. The cubic root of 2554565 is about 136.7011975671.

The spelling of 2554565 in words is "two million, five hundred fifty-four thousand, five hundred sixty-five".