2550628 has 6 divisors (see below), whose sum is σ = 4463606. Its totient is φ = 1275312.

The previous prime is 2550619. The next prime is 2550641. The reversal of 2550628 is 8260552.

It can be written as a sum of positive squares in only one way, i.e., 1790244 + 760384 = 1338^2 + 872^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2550596 and 2550605.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318825 + ... + 318832.

2^2550628 is an apocalyptic number.

It is an amenable number.

2550628 is a deficient number, since it is larger than the sum of its proper divisors (1912978).

2550628 is a wasteful number, since it uses less digits than its factorization.

2550628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637661 (or 637659 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2550628 is about 1597.0685645895. The cubic root of 2550628 is about 136.6309352024.

It can be divided in two parts, 25 and 50628, that added together give a cube (50653 = 37³).

The spelling of 2550628 in words is "two million, five hundred fifty thousand, six hundred twenty-eight".