2569955 has 4 divisors (see below), whose sum is σ = 3083952. Its totient is φ = 2055960.

The previous prime is 2569943. The next prime is 2569961. The reversal of 2569955 is 5599652.

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

It is not a de Polignac number, because 2569955 - 2⁴ = 2569939 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 256991 + ... + 257000.

It is an arithmetic number, because the mean of its divisors is an integer number (770988).

2^2569955 is an apocalyptic number.

2569955 is a deficient number, since it is larger than the sum of its proper divisors (513997).

2569955 is an equidigital number, since it uses as much as digits as its factorization.

2569955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513996.

The product of its digits is 121500, while the sum is 41.

The square root of 2569955 is about 1603.1079190123. The cubic root of 2569955 is about 136.9751673250.

The spelling of 2569955 in words is "two million, five hundred sixty-nine thousand, nine hundred fifty-five".