2551512 has 32 divisors (see below), whose sum is σ = 6536880. Its totient is φ = 829440.

The previous prime is 2551511. The next prime is 2551531. The reversal of 2551512 is 2151552.

It is a super-2 number, since 2×2551512² = 13020426972288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551511) 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 7 ways as a sum of consecutive naturals, for example, 313 + ... + 2280.

2^2551512 is an apocalyptic number.

It is an amenable number.

2551512 is an abundant number, since it is smaller than the sum of its proper divisors (3985368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2551512 is a wasteful number, since it uses less digits than its factorization.

2551512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2643 (or 2639 counting only the distinct ones).

The product of its digits is 500, while the sum is 21.

The square root of 2551512 is about 1597.3452976736. The cubic root of 2551512 is about 136.6467179555.

The spelling of 2551512 in words is "two million, five hundred fifty-one thousand, five hundred twelve".