2551046 has 4 divisors (see below), whose sum is σ = 3826572. Its totient is φ = 1275522.

The previous prime is 2551033. The next prime is 2551057. The reversal of 2551046 is 6401552.

2551046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 637760 + ... + 637763.

It is an arithmetic number, because the mean of its divisors is an integer number (956643).

2^2551046 is an apocalyptic number.

2551046 is a deficient number, since it is larger than the sum of its proper divisors (1275526).

2551046 is a wasteful number, since it uses less digits than its factorization.

2551046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275525.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2551046 is about 1597.1994239919. The cubic root of 2551046 is about 136.6383985423.

Adding to 2551046 its reverse (6401552), we get a palindrome (8952598).

The spelling of 2551046 in words is "two million, five hundred fifty-one thousand, forty-six".