2855507 has 4 divisors (see below), whose sum is σ = 3023496. Its totient is φ = 2687520.

The previous prime is 2855497. The next prime is 2855513. The reversal of 2855507 is 7055582.

It is a happy number.

2855507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7055582 = 2 ⋅3527791.

It is a cyclic number.

It is not a de Polignac number, because 2855507 - 2⁶ = 2855443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2855557) 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, 83969 + ... + 84002.

It is an arithmetic number, because the mean of its divisors is an integer number (755874).

2^2855507 is an apocalyptic number.

2855507 is a deficient number, since it is larger than the sum of its proper divisors (167989).

2855507 is a wasteful number, since it uses less digits than its factorization.

2855507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167988.

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 2855507 is about 1689.8245471054. The cubic root of 2855507 is about 141.8712547285.

The spelling of 2855507 in words is "two million, eight hundred fifty-five thousand, five hundred seven".