2551330 has 8 divisors (see below), whose sum is σ = 4592412. Its totient is φ = 1020528.

The previous prime is 2551313. The next prime is 2551349. The reversal of 2551330 is 331552.

2551330 is nontrivially palindromic in base 11.

2551330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2518569 + 32761 = 1587^2 + 181^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2551298 and 2551307.

It is an unprimeable number.

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, 127557 + ... + 127576.

2^2551330 is an apocalyptic number.

2551330 is a deficient number, since it is larger than the sum of its proper divisors (2041082).

2551330 is a wasteful number, since it uses less digits than its factorization.

2551330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255140.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 2551330 is about 1597.2883271345. The cubic root of 2551330 is about 136.6434688632.

Adding to 2551330 its reverse (331552), we get a palindrome (2882882).

The spelling of 2551330 in words is "two million, five hundred fifty-one thousand, three hundred thirty".