2551012 has 12 divisors (see below), whose sum is σ = 4475520. Its totient is φ = 1272296.

The previous prime is 2551009. The next prime is 2551013. The reversal of 2551012 is 2101552.

It is not an unprimeable number, because it can be changed into a prime (2551013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2433 + ... + 3319.

It is an arithmetic number, because the mean of its divisors is an integer number (372960).

2^2551012 is an apocalyptic number.

It is an amenable number.

2551012 is a deficient number, since it is larger than the sum of its proper divisors (1924508).

2551012 is a wasteful number, since it uses less digits than its factorization.

2551012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610 (or 1608 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 2551012 is about 1597.1887803262. The cubic root of 2551012 is about 136.6377915069.

Adding to 2551012 its reverse (2101552), we get a palindrome (4652564).

The spelling of 2551012 in words is "two million, five hundred fifty-one thousand, twelve".