2551004 has 6 divisors (see below), whose sum is σ = 4464264. Its totient is φ = 1275500.

The previous prime is 2550991. The next prime is 2551009. The reversal of 2551004 is 4001552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551009) 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 as a sum of consecutive naturals, namely, 318872 + ... + 318879.

It is an arithmetic number, because the mean of its divisors is an integer number (744044).

2^2551004 is an apocalyptic number.

It is an amenable number.

2551004 is a deficient number, since it is larger than the sum of its proper divisors (1913260).

2551004 is a wasteful number, since it uses less digits than its factorization.

2551004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637755 (or 637753 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 2551004 is about 1597.1862759240. The cubic root of 2551004 is about 136.6376486742.

Adding to 2551004 its reverse (4001552), we get a palindrome (6552556).

The spelling of 2551004 in words is "two million, five hundred fifty-one thousand, four".