2580510049 has 4 divisors (see below), whose sum is σ = 2779010836. Its totient is φ = 2382009264.

The previous prime is 2580510017. The next prime is 2580510059. The reversal of 2580510049 is 9400150852.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 632170449 + 1948339600 = 25143^2 + 44140^2 .

It is a cyclic number.

It is not a de Polignac number, because 2580510049 - 2⁵ = 2580510017 is a prime.

It is a super-2 number, since 2×2580510049² = 13318064225979964802, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2580509996 and 2580510023.

It is not an unprimeable number, because it can be changed into a prime (2580510059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99250374 + ... + 99250399.

It is an arithmetic number, because the mean of its divisors is an integer number (694752709).

Almost surely, 2^2580510049 is an apocalyptic number.

It is an amenable number.

2580510049 is a deficient number, since it is larger than the sum of its proper divisors (198500787).

2580510049 is a wasteful number, since it uses less digits than its factorization.

2580510049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198500786.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 2580510049 is about 50798.7209386221. The cubic root of 2580510049 is about 1371.6243451951.

The spelling of 2580510049 in words is "two billion, five hundred eighty million, five hundred ten thousand, forty-nine".