2782580531 has 2 divisors, whose sum is σ = 2782580532. Its totient is φ = 2782580530.

The previous prime is 2782580441. The next prime is 2782580557. The reversal of 2782580531 is 1350852872.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2782580531 - 2¹⁸ = 2782318387 is a prime.

It is a super-2 number, since 2×2782580531² = 15485508823000483922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2782580431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1391290265 + 1391290266.

It is an arithmetic number, because the mean of its divisors is an integer number (1391290266).

Almost surely, 2^2782580531 is an apocalyptic number.

2782580531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2782580531 is an equidigital number, since it uses as much as digits as its factorization.

2782580531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 2782580531 is about 52750.1709096757. The cubic root of 2782580531 is about 1406.5308021547.

The spelling of 2782580531 in words is "two billion, seven hundred eighty-two million, five hundred eighty thousand, five hundred thirty-one".