2555430 has 32 divisors (see below), whose sum is σ = 6200064. Its totient is φ = 674016.

The previous prime is 2555429. The next prime is 2555453. The reversal of 2555430 is 345552.

It is a super-3 number, since 3×2555430³ = 50062579333764021000, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2555430.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 2677 + ... + 3503.

It is an arithmetic number, because the mean of its divisors is an integer number (193752).

2^2555430 is an apocalyptic number.

2555430 is an abundant number, since it is smaller than the sum of its proper divisors (3644634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2555430 is a wasteful number, since it uses less digits than its factorization.

2555430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 2555430 is about 1598.5712370739. The cubic root of 2555430 is about 136.7166252677.

It can be divided in two parts, 25 and 55430, that added together give a palindrome (55455).

The spelling of 2555430 in words is "two million, five hundred fifty-five thousand, four hundred thirty".