2551772 has 12 divisors (see below), whose sum is σ = 4480560. Its totient is φ = 1271616.

The previous prime is 2551733. The next prime is 2551793. The reversal of 2551772 is 2771552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548 + ... + 2324.

It is an arithmetic number, because the mean of its divisors is an integer number (373380).

2^2551772 is an apocalyptic number.

It is an amenable number.

2551772 is a deficient number, since it is larger than the sum of its proper divisors (1928788).

2551772 is a wasteful number, since it uses less digits than its factorization.

2551772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140 (or 2138 counting only the distinct ones).

The product of its digits is 4900, while the sum is 29.

The square root of 2551772 is about 1597.4266806336. The cubic root of 2551772 is about 136.6513592479.

The spelling of 2551772 in words is "two million, five hundred fifty-one thousand, seven hundred seventy-two".