2551335 has 16 divisors (see below), whose sum is σ = 4193376. Its totient is φ = 1323648.

The previous prime is 2551313. The next prime is 2551349. The reversal of 2551335 is 5331552.

It is not a de Polignac number, because 2551335 - 2⁸ = 2551079 is a prime.

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, 1744 + ... + 2853.

It is an arithmetic number, because the mean of its divisors is an integer number (262086).

2^2551335 is an apocalyptic number.

2551335 is a deficient number, since it is larger than the sum of its proper divisors (1642041).

2551335 is a wasteful number, since it uses less digits than its factorization.

2551335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4642.

The product of its digits is 2250, while the sum is 24.

The square root of 2551335 is about 1597.2898922863. The cubic root of 2551335 is about 136.6435581261.

Adding to 2551335 its reverse (5331552), we get a palindrome (7882887).

It can be divided in two parts, 25 and 51335, that added together give a triangular number (51360 = T₃₂₀).

The spelling of 2551335 in words is "two million, five hundred fifty-one thousand, three hundred thirty-five".