2580049 has 2 divisors, whose sum is σ = 2580050. Its totient is φ = 2580048.

The previous prime is 2580031. The next prime is 2580079. The reversal of 2580049 is 9400852.

2580049 = T₁₃₁₀ + T₁₃₁₁ + T₁₃₁₂.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1580049 + 1000000 = 1257^2 + 1000^2 .

It is a cyclic number.

It is not a de Polignac number, because 2580049 - 2⁹ = 2579537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2579999 and 2580026.

It is not a weakly prime, because it can be changed into another prime (2580079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1290024 + 1290025.

It is an arithmetic number, because the mean of its divisors is an integer number (1290025).

2^2580049 is an apocalyptic number.

2580049 is the 1312-nd centered triangular number.

It is an amenable number.

2580049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2580049 is an equidigital number, since it uses as much as digits as its factorization.

2580049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2580049 is about 1606.2530933822. The cubic root of 2580049 is about 137.1542652857.

The spelling of 2580049 in words is "two million, five hundred eighty thousand, forty-nine".