2551329 has 12 divisors (see below), whose sum is σ = 4020432. Its totient is φ = 1546200.

The previous prime is 2551313. The next prime is 2551349. The reversal of 2551329 is 9231552.

2551329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2551329 - 2⁴ = 2551313 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2551349) 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 11 ways as a sum of consecutive naturals, for example, 12787 + ... + 12984.

It is an arithmetic number, because the mean of its divisors is an integer number (335036).

2^2551329 is an apocalyptic number.

It is an amenable number.

2551329 is a deficient number, since it is larger than the sum of its proper divisors (1469103).

2551329 is a wasteful number, since it uses less digits than its factorization.

2551329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25788 (or 25785 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 2551329 is about 1597.2880141039. The cubic root of 2551329 is about 136.6434510106.

The spelling of 2551329 in words is "two million, five hundred fifty-one thousand, three hundred twenty-nine".