2558187293 has 2 divisors, whose sum is σ = 2558187294. Its totient is φ = 2558187292.

The previous prime is 2558187221. The next prime is 2558187323. The reversal of 2558187293 is 3927818552.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2321119684 + 237067609 = 48178^2 + 15397^2 .

It is a cyclic number.

It is not a de Polignac number, because 2558187293 - 2¹² = 2558183197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2558487293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1279093646 + 1279093647.

It is an arithmetic number, because the mean of its divisors is an integer number (1279093647).

Almost surely, 2^2558187293 is an apocalyptic number.

It is an amenable number.

2558187293 is a deficient number, since it is larger than the sum of its proper divisors (1).

2558187293 is an equidigital number, since it uses as much as digits as its factorization.

2558187293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 50.

The square root of 2558187293 is about 50578.5260065969. The cubic root of 2558187293 is about 1367.6577972087.

The spelling of 2558187293 in words is "two billion, five hundred fifty-eight million, one hundred eighty-seven thousand, two hundred ninety-three".