2582034781 has 2 divisors, whose sum is σ = 2582034782. Its totient is φ = 2582034780.

The previous prime is 2582034757. The next prime is 2582034821. The reversal of 2582034781 is 1874302852.

It is a happy number.

It is an a-pointer prime, because the next prime (2582034821) can be obtained adding 2582034781 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2572011225 + 10023556 = 50715^2 + 3166^2 .

It is a cyclic number.

It is not a de Polignac number, because 2582034781 - 2¹⁵ = 2582002013 is a prime.

It is a super-2 number, since 2×2582034781² = 13333807220587435922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2582034181) 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, 1291017390 + 1291017391.

It is an arithmetic number, because the mean of its divisors is an integer number (1291017391).

Almost surely, 2^2582034781 is an apocalyptic number.

It is an amenable number.

2582034781 is a deficient number, since it is larger than the sum of its proper divisors (1).

2582034781 is an equidigital number, since it uses as much as digits as its factorization.

2582034781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 2582034781 is about 50813.7263050054. The cubic root of 2582034781 is about 1371.8944400889.

The spelling of 2582034781 in words is "two billion, five hundred eighty-two million, thirty-four thousand, seven hundred eighty-one".