2027454581 has 2 divisors, whose sum is σ = 2027454582. Its totient is φ = 2027454580.

The previous prime is 2027454523. The next prime is 2027454589. The reversal of 2027454581 is 1854547202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1238406481 + 789048100 = 35191^2 + 28090^2 .

It is a cyclic number.

It is not a de Polignac number, because 2027454581 - 2¹⁰ = 2027453557 is a prime.

It is a super-2 number, since 2×2027454581² = 8221144156035771122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2027454589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1013727290 + 1013727291.

It is an arithmetic number, because the mean of its divisors is an integer number (1013727291).

Almost surely, 2^2027454581 is an apocalyptic number.

It is an amenable number.

2027454581 is a deficient number, since it is larger than the sum of its proper divisors (1).

2027454581 is an equidigital number, since it uses as much as digits as its factorization.

2027454581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 89600, while the sum is 38.

The square root of 2027454581 is about 45027.2648625252. The cubic root of 2027454581 is about 1265.6599702666.

The spelling of 2027454581 in words is "two billion, twenty-seven million, four hundred fifty-four thousand, five hundred eighty-one".