2558411381 has 2 divisors, whose sum is σ = 2558411382. Its totient is φ = 2558411380.

The previous prime is 2558411353. The next prime is 2558411393. The reversal of 2558411381 is 1831148552.

2558411381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2382318481 + 176092900 = 48809^2 + 13270^2 .

It is a cyclic number.

It is not a de Polignac number, because 2558411381 - 2¹⁴ = 2558394997 is a prime.

It is a super-2 number, since 2×2558411381² = 13090937588860654322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2558411321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1279205690 + 1279205691.

It is an arithmetic number, because the mean of its divisors is an integer number (1279205691).

Almost surely, 2^2558411381 is an apocalyptic number.

It is an amenable number.

2558411381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2558411381 is an equidigital number, since it uses as much as digits as its factorization.

2558411381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38400, while the sum is 38.

The square root of 2558411381 is about 50580.7412065106. The cubic root of 2558411381 is about 1367.6977300097.

The spelling of 2558411381 in words is "two billion, five hundred fifty-eight million, four hundred eleven thousand, three hundred eighty-one".