2580977 has 6 divisors (see below), whose sum is σ = 3002418. Its totient is φ = 2212224.

The previous prime is 2580973. The next prime is 2580997. The reversal of 2580977 is 7790852.

It can be written as a sum of positive squares in only one way, i.e., 2119936 + 461041 = 1456^2 + 679^2 .

It is not a de Polignac number, because 2580977 - 2² = 2580973 is a prime.

It is a super-2 number, since 2×2580977² = 13322884549058, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2580977.

It is not an unprimeable number, because it can be changed into a prime (2580973) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26288 + ... + 26385.

It is an arithmetic number, because the mean of its divisors is an integer number (500403).

2^2580977 is an apocalyptic number.

It is an amenable number.

2580977 is a deficient number, since it is larger than the sum of its proper divisors (421441).

2580977 is an equidigital number, since it uses as much as digits as its factorization.

2580977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52687 (or 52680 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 2580977 is about 1606.5419384504. The cubic root of 2580977 is about 137.1707073379.

The spelling of 2580977 in words is "two million, five hundred eighty thousand, nine hundred seventy-seven".