2026004581 has 2 divisors, whose sum is σ = 2026004582. Its totient is φ = 2026004580.

The previous prime is 2026004549. The next prime is 2026004593. The reversal of 2026004581 is 1854006202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1974380356 + 51624225 = 44434^2 + 7185^2 .

It is a cyclic number.

It is not a de Polignac number, because 2026004581 - 2⁵ = 2026004549 is a prime.

It is a super-2 number, since 2×2026004581² = 8209389124465971122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2026004081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1013002290 + 1013002291.

It is an arithmetic number, because the mean of its divisors is an integer number (1013002291).

Almost surely, 2^2026004581 is an apocalyptic number.

It is an amenable number.

2026004581 is a deficient number, since it is larger than the sum of its proper divisors (1).

2026004581 is an equidigital number, since it uses as much as digits as its factorization.

2026004581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 2026004581 is about 45011.1606271156. The cubic root of 2026004581 is about 1265.3581723618.

The spelling of 2026004581 in words is "two billion, twenty-six million, four thousand, five hundred eighty-one".