5258037781 has 2 divisors, whose sum is σ = 5258037782. Its totient is φ = 5258037780.

The previous prime is 5258037779. The next prime is 5258037791. The reversal of 5258037781 is 1877308525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4113298225 + 1144739556 = 64135^2 + 33834^2 .

It is a cyclic number.

It is not a de Polignac number, because 5258037781 - 2¹ = 5258037779 is a prime.

It is a super-2 number, since 2×5258037781² = 55293922612846807922, which contains 22 as substring.

Together with 5258037779, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5258037761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2629018890 + 2629018891.

It is an arithmetic number, because the mean of its divisors is an integer number (2629018891).

Almost surely, 2^5258037781 is an apocalyptic number.

It is an amenable number.

5258037781 is a deficient number, since it is larger than the sum of its proper divisors (1).

5258037781 is an equidigital number, since it uses as much as digits as its factorization.

5258037781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 470400, while the sum is 46.

The square root of 5258037781 is about 72512.3284759219. The cubic root of 5258037781 is about 1738.8998397290.

The spelling of 5258037781 in words is "five billion, two hundred fifty-eight million, thirty-seven thousand, seven hundred eighty-one".