2582780530 has 16 divisors (see below), whose sum is σ = 5071641984. Its totient is φ = 939192880.

The previous prime is 2582780489. The next prime is 2582780537. The reversal of 2582780530 is 350872852.

2582780530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2582780530² = 13341510532294161800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2582780537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11739802 + ... + 11740021.

It is an arithmetic number, because the mean of its divisors is an integer number (316977624).

Almost surely, 2^2582780530 is an apocalyptic number.

2582780530 is a deficient number, since it is larger than the sum of its proper divisors (2488861454).

2582780530 is a wasteful number, since it uses less digits than its factorization.

2582780530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23479841.

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 2582780530 is about 50821.0638416789. The cubic root of 2582780530 is about 1372.0265052381.

The spelling of 2582780530 in words is "two billion, five hundred eighty-two million, seven hundred eighty thousand, five hundred thirty".