2650580 has 12 divisors (see below), whose sum is σ = 5566260. Its totient is φ = 1060224.

The previous prime is 2650579. The next prime is 2650597. The reversal of 2650580 is 850562.

It can be written as a sum of positive squares in 2 ways, for example, as 976144 + 1674436 = 988^2 + 1294^2 .

It is an Ulam number.

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, 66245 + ... + 66284.

It is an arithmetic number, because the mean of its divisors is an integer number (463855).

2^2650580 is an apocalyptic number.

2650580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2650580 is an abundant number, since it is smaller than the sum of its proper divisors (2915680).

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

2650580 is a wasteful number, since it uses less digits than its factorization.

2650580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132538 (or 132536 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2650580 is about 1628.0601954473. The cubic root of 2650580 is about 138.3928454764.

The spelling of 2650580 in words is "two million, six hundred fifty thousand, five hundred eighty".