2551342 has 8 divisors (see below), whose sum is σ = 3837600. Its totient is φ = 1272144.

The previous prime is 2551313. The next prime is 2551349. The reversal of 2551342 is 2431552.

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

It is a congruent number.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 742 + ... + 2377.

It is an arithmetic number, because the mean of its divisors is an integer number (479700).

2^2551342 is an apocalyptic number.

2551342 is a deficient number, since it is larger than the sum of its proper divisors (1286258).

2551342 is a wasteful number, since it uses less digits than its factorization.

2551342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3530.

The product of its digits is 1200, while the sum is 22.

The square root of 2551342 is about 1597.2920834963. The cubic root of 2551342 is about 136.6436830938.

Adding to 2551342 its reverse (2431552), we get a palindrome (4982894).

The spelling of 2551342 in words is "two million, five hundred fifty-one thousand, three hundred forty-two".